Search

David C. Cain

Examiner (ID: 5185)

Most Active Art Unit
2202
Art Unit(s)
2766, 2202, 3642, 2899
Total Applications
1000
Issued Applications
919
Pending Applications
37
Abandoned Applications
44

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3668503 [patent_doc_number] => 05659618 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-08-19 [patent_title] => 'Multi-size cryptographic key system' [patent_app_type] => 1 [patent_app_number] => 8/536835 [patent_app_country] => US [patent_app_date] => 1995-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2553 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/659/05659618.pdf [firstpage_image] =>[orig_patent_app_number] => 536835 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/536835
Multi-size cryptographic key system Sep 28, 1995 Issued
Array ( [id] => 3742816 [patent_doc_number] => 05636277 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-03 [patent_title] => 'System for licensing to use software products' [patent_app_type] => 1 [patent_app_number] => 8/535615 [patent_app_country] => US [patent_app_date] => 1995-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 25 [patent_no_of_words] => 10782 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/636/05636277.pdf [firstpage_image] =>[orig_patent_app_number] => 535615 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/535615
System for licensing to use software products Sep 27, 1995 Issued
Array ( [id] => 3659230 [patent_doc_number] => 05640455 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-17 [patent_title] => 'Secret-key enciphering method and arrangement therefor capable of preventing unfair acquirement of information' [patent_app_type] => 1 [patent_app_number] => 8/534816 [patent_app_country] => US [patent_app_date] => 1995-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7151 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 342 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/640/05640455.pdf [firstpage_image] =>[orig_patent_app_number] => 534816 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/534816
Secret-key enciphering method and arrangement therefor capable of preventing unfair acquirement of information Sep 26, 1995 Issued
Array ( [id] => 3698787 [patent_doc_number] => 05696828 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-09 [patent_title] => 'Random number generating system and process based on chaos' [patent_app_type] => 1 [patent_app_number] => 8/532337 [patent_app_country] => US [patent_app_date] => 1995-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5393 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/696/05696828.pdf [firstpage_image] =>[orig_patent_app_number] => 532337 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/532337
Random number generating system and process based on chaos Sep 21, 1995 Issued
Array ( [id] => 3900818 [patent_doc_number] => 05724423 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-03-03 [patent_title] => 'Method and apparatus for user authentication' [patent_app_type] => 1 [patent_app_number] => 8/529405 [patent_app_country] => US [patent_app_date] => 1995-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 9261 [patent_no_of_claims] => 54 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/724/05724423.pdf [firstpage_image] =>[orig_patent_app_number] => 529405 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/529405
Method and apparatus for user authentication Sep 17, 1995 Issued
Array ( [id] => 3645395 [patent_doc_number] => 05631961 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-20 [patent_title] => 'Device for and method of cryptography that allows third party access' [patent_app_type] => 1 [patent_app_number] => 8/528966 [patent_app_country] => US [patent_app_date] => 1995-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 15065 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/631/05631961.pdf [firstpage_image] =>[orig_patent_app_number] => 528966 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/528966
Device for and method of cryptography that allows third party access Sep 14, 1995 Issued
Array ( [id] => 3692877 [patent_doc_number] => 05633929 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-27 [patent_title] => 'Cryptographic key escrow system having reduced vulnerability to harvesting attacks' [patent_app_type] => 1 [patent_app_number] => 8/529156 [patent_app_country] => US [patent_app_date] => 1995-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2912 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/633/05633929.pdf [firstpage_image] =>[orig_patent_app_number] => 529156 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/529156
Cryptographic key escrow system having reduced vulnerability to harvesting attacks Sep 14, 1995 Issued
Array ( [id] => 3539067 [patent_doc_number] => 05541997 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-30 [patent_title] => 'Method and apparatus for detecting correctly decrypted communications' [patent_app_type] => 1 [patent_app_number] => 8/528367 [patent_app_country] => US [patent_app_date] => 1995-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2669 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/541/05541997.pdf [firstpage_image] =>[orig_patent_app_number] => 528367 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/528367
Method and apparatus for detecting correctly decrypted communications Sep 13, 1995 Issued
Array ( [id] => 3634147 [patent_doc_number] => 05613003 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-18 [patent_title] => 'Packet video signal inverse transport processor memory address circuitry' [patent_app_type] => 1 [patent_app_number] => 8/527663 [patent_app_country] => US [patent_app_date] => 1995-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 5573 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/613/05613003.pdf [firstpage_image] =>[orig_patent_app_number] => 527663 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/527663
Packet video signal inverse transport processor memory address circuitry Sep 12, 1995 Issued
Array ( [id] => 3766051 [patent_doc_number] => 05721781 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-02-24 [patent_title] => 'Authentication system and method for smart card transactions' [patent_app_type] => 1 [patent_app_number] => 8/531567 [patent_app_country] => US [patent_app_date] => 1995-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 6538 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/721/05721781.pdf [firstpage_image] =>[orig_patent_app_number] => 531567 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/531567
Authentication system and method for smart card transactions Sep 12, 1995 Issued
Array ( [id] => 3749009 [patent_doc_number] => RE035808 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-26 [patent_title] => 'Fair cryptosystems and methods of use' [patent_app_type] => 2 [patent_app_number] => 8/526977 [patent_app_country] => US [patent_app_date] => 1995-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 7044 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/035/RE035808.pdf [firstpage_image] =>[orig_patent_app_number] => 526977 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/526977
Fair cryptosystems and methods of use Sep 11, 1995 Issued
Array ( [id] => 3749274 [patent_doc_number] => 05699430 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-16 [patent_title] => 'Method and apparatus for electronically preventing unauthorized access to equipment' [patent_app_type] => 1 [patent_app_number] => 8/526996 [patent_app_country] => US [patent_app_date] => 1995-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1645 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/699/05699430.pdf [firstpage_image] =>[orig_patent_app_number] => 526996 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/526996
Method and apparatus for electronically preventing unauthorized access to equipment Sep 11, 1995 Issued
Array ( [id] => 3645378 [patent_doc_number] => 05631960 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-20 [patent_title] => 'Autotest of encryption algorithms in embedded secure encryption devices' [patent_app_type] => 1 [patent_app_number] => 8/521787 [patent_app_country] => US [patent_app_date] => 1995-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 7222 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/631/05631960.pdf [firstpage_image] =>[orig_patent_app_number] => 521787 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/521787
Autotest of encryption algorithms in embedded secure encryption devices Aug 30, 1995 Issued
Array ( [id] => 3636960 [patent_doc_number] => 05608798 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-04 [patent_title] => 'Crytographic device with secure testing function' [patent_app_type] => 1 [patent_app_number] => 8/520917 [patent_app_country] => US [patent_app_date] => 1995-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1063 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/608/05608798.pdf [firstpage_image] =>[orig_patent_app_number] => 520917 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/520917
Crytographic device with secure testing function Aug 29, 1995 Issued
Array ( [id] => 3766022 [patent_doc_number] => 05721779 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-02-24 [patent_title] => 'Apparatus and methods for verifying the identity of a party' [patent_app_type] => 1 [patent_app_number] => 8/520155 [patent_app_country] => US [patent_app_date] => 1995-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8996 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/721/05721779.pdf [firstpage_image] =>[orig_patent_app_number] => 520155 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/520155
Apparatus and methods for verifying the identity of a party Aug 27, 1995 Issued
Array ( [id] => 3673254 [patent_doc_number] => 05657390 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-08-12 [patent_title] => 'Secure socket layer application program apparatus and method' [patent_app_type] => 1 [patent_app_number] => 8/519585 [patent_app_country] => US [patent_app_date] => 1995-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 18182 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/657/05657390.pdf [firstpage_image] =>[orig_patent_app_number] => 519585 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/519585
Secure socket layer application program apparatus and method Aug 24, 1995 Issued
Array ( [id] => 3714661 [patent_doc_number] => 05675651 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-10-07 [patent_title] => 'Method for transmitting information between a computerized control center and a plurality of electronic franking machines' [patent_app_type] => 1 [patent_app_number] => 8/517868 [patent_app_country] => US [patent_app_date] => 1995-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4457 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/675/05675651.pdf [firstpage_image] =>[orig_patent_app_number] => 517868 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/517868
Method for transmitting information between a computerized control center and a plurality of electronic franking machines Aug 21, 1995 Issued
Array ( [id] => 3638194 [patent_doc_number] => 05621794 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-15 [patent_title] => 'Moving-picture encipherment method and system, and enciphered moving-picture decipherment method and system' [patent_app_type] => 1 [patent_app_number] => 8/517245 [patent_app_country] => US [patent_app_date] => 1995-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 21 [patent_no_of_words] => 10013 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/621/05621794.pdf [firstpage_image] =>[orig_patent_app_number] => 517245 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/517245
Moving-picture encipherment method and system, and enciphered moving-picture decipherment method and system Aug 20, 1995 Issued
Array ( [id] => 3737471 [patent_doc_number] => 05652794 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-29 [patent_title] => 'Device and process for securizing a document and graphic authentification code' [patent_app_type] => 1 [patent_app_number] => 8/514405 [patent_app_country] => US [patent_app_date] => 1995-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5255 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/652/05652794.pdf [firstpage_image] =>[orig_patent_app_number] => 514405 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/514405
Device and process for securizing a document and graphic authentification code Aug 10, 1995 Issued
Array ( [id] => 3823920 [patent_doc_number] => 05832090 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-03 [patent_title] => 'Radio frequency transponder stored value system employing a secure encryption protocol' [patent_app_type] => 1 [patent_app_number] => 8/513646 [patent_app_country] => US [patent_app_date] => 1995-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3554 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/832/05832090.pdf [firstpage_image] =>[orig_patent_app_number] => 513646 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/513646
Radio frequency transponder stored value system employing a secure encryption protocol Aug 9, 1995 Issued
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