Search

Derrick W. Ferris

Supervisory Patent Examiner (ID: 15335, Phone: (571)272-3123 , Office: P/2478 )

Most Active Art Unit
2663
Art Unit(s)
2663, 2411, 2616, 2463, 2400, OPT, 2478
Total Applications
417
Issued Applications
284
Pending Applications
43
Abandoned Applications
91

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2864382 [patent_doc_number] => 05084784 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-28 [patent_title] => 'Copying lens system' [patent_app_type] => 1 [patent_app_number] => 7/551357 [patent_app_country] => US [patent_app_date] => 1990-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 20 [patent_no_of_words] => 2139 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/084/05084784.pdf [firstpage_image] =>[orig_patent_app_number] => 551357 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/551357
Copying lens system Jul 11, 1990 Issued
Array ( [id] => 2670521 [patent_doc_number] => 05066117 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-19 [patent_title] => 'Perimeter' [patent_app_type] => 1 [patent_app_number] => 7/550201 [patent_app_country] => US [patent_app_date] => 1990-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 4454 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/066/05066117.pdf [firstpage_image] =>[orig_patent_app_number] => 550201 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/550201
Perimeter Jul 9, 1990 Issued
Array ( [id] => 2867095 [patent_doc_number] => 05118178 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-02 [patent_title] => 'Corrective lenses' [patent_app_type] => 1 [patent_app_number] => 7/550126 [patent_app_country] => US [patent_app_date] => 1990-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 6 [patent_no_of_words] => 2859 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/118/05118178.pdf [firstpage_image] =>[orig_patent_app_number] => 550126 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/550126
Corrective lenses Jul 8, 1990 Issued
07/545496 APPARATUS FOR DETERMINING THE CONTOUR OF THE CORNEA OF A HUMAN EYE Jun 28, 1990 Abandoned
Array ( [id] => 2840032 [patent_doc_number] => 05125730 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-30 [patent_title] => 'Portable dynamic fundus instrument' [patent_app_type] => 1 [patent_app_number] => 7/562095 [patent_app_country] => US [patent_app_date] => 1990-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4722 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/125/05125730.pdf [firstpage_image] =>[orig_patent_app_number] => 562095 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/562095
Portable dynamic fundus instrument Jun 28, 1990 Issued
Array ( [id] => 2799602 [patent_doc_number] => 05078484 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-07 [patent_title] => 'Lapel pin eyeglass and pillbox organization' [patent_app_type] => 1 [patent_app_number] => 7/541316 [patent_app_country] => US [patent_app_date] => 1990-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 1988 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/078/05078484.pdf [firstpage_image] =>[orig_patent_app_number] => 541316 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/541316
Lapel pin eyeglass and pillbox organization Jun 20, 1990 Issued
Array ( [id] => 2773177 [patent_doc_number] => 05092668 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-03 [patent_title] => 'Eyeglass cord retainer apparatus' [patent_app_type] => 1 [patent_app_number] => 7/541315 [patent_app_country] => US [patent_app_date] => 1990-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 2059 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/092/05092668.pdf [firstpage_image] =>[orig_patent_app_number] => 541315 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/541315
Eyeglass cord retainer apparatus Jun 20, 1990 Issued
Array ( [id] => 2697629 [patent_doc_number] => 05040888 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-20 [patent_title] => 'Hologram system which helps reduce eye strain' [patent_app_type] => 1 [patent_app_number] => 7/537110 [patent_app_country] => US [patent_app_date] => 1990-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2747 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/040/05040888.pdf [firstpage_image] =>[orig_patent_app_number] => 537110 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/537110
Hologram system which helps reduce eye strain Jun 12, 1990 Issued
Array ( [id] => 2772423 [patent_doc_number] => 05087118 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-11 [patent_title] => 'Article holder' [patent_app_type] => 1 [patent_app_number] => 7/535658 [patent_app_country] => US [patent_app_date] => 1990-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 13 [patent_no_of_words] => 3998 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/087/05087118.pdf [firstpage_image] =>[orig_patent_app_number] => 535658 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/535658
Article holder Jun 10, 1990 Issued
Array ( [id] => 2760353 [patent_doc_number] => 04984877 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-15 [patent_title] => 'High zoom-ratio/zoom lens system for use in a compact camera' [patent_app_type] => 1 [patent_app_number] => 7/535234 [patent_app_country] => US [patent_app_date] => 1990-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 3299 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/984/04984877.pdf [firstpage_image] =>[orig_patent_app_number] => 535234 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/535234
High zoom-ratio/zoom lens system for use in a compact camera Jun 7, 1990 Issued
Array ( [id] => 2712672 [patent_doc_number] => 05056906 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-15 [patent_title] => 'Prescription lens attachment for sunglasses' [patent_app_type] => 1 [patent_app_number] => 7/527835 [patent_app_country] => US [patent_app_date] => 1990-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1697 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/056/05056906.pdf [firstpage_image] =>[orig_patent_app_number] => 527835 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/527835
Prescription lens attachment for sunglasses May 23, 1990 Issued
Array ( [id] => 2736540 [patent_doc_number] => 05037193 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-06 [patent_title] => 'Bifocal segment demonstration and measuring apparatus' [patent_app_type] => 1 [patent_app_number] => 7/522665 [patent_app_country] => US [patent_app_date] => 1990-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2355 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/037/05037193.pdf [firstpage_image] =>[orig_patent_app_number] => 522665 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/522665
Bifocal segment demonstration and measuring apparatus May 10, 1990 Issued
Array ( [id] => 2814319 [patent_doc_number] => 05094523 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-10 [patent_title] => 'Bidirectional light steering apparatus' [patent_app_type] => 1 [patent_app_number] => 7/522376 [patent_app_country] => US [patent_app_date] => 1990-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4464 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/094/05094523.pdf [firstpage_image] =>[orig_patent_app_number] => 522376 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/522376
Bidirectional light steering apparatus May 10, 1990 Issued
Array ( [id] => 2812324 [patent_doc_number] => 05116115 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-26 [patent_title] => 'Method and apparatus for measuring corneal topography' [patent_app_type] => 1 [patent_app_number] => 7/521487 [patent_app_country] => US [patent_app_date] => 1990-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 9 [patent_no_of_words] => 4756 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/116/05116115.pdf [firstpage_image] =>[orig_patent_app_number] => 521487 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/521487
Method and apparatus for measuring corneal topography May 8, 1990 Issued
07/518184 LENS SYSTEM FOR DIVER'S MASK May 2, 1990 Abandoned
Array ( [id] => 2735686 [patent_doc_number] => 05015087 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-14 [patent_title] => 'Pince-Nez eyeglasses' [patent_app_type] => 1 [patent_app_number] => 7/516515 [patent_app_country] => US [patent_app_date] => 1990-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1517 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/015/05015087.pdf [firstpage_image] =>[orig_patent_app_number] => 516515 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/516515
Pince-Nez eyeglasses Apr 29, 1990 Issued
Array ( [id] => 2867116 [patent_doc_number] => 05118179 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-02 [patent_title] => 'Opthalmological photographing instrument' [patent_app_type] => 1 [patent_app_number] => 7/514020 [patent_app_country] => US [patent_app_date] => 1990-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5076 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/118/05118179.pdf [firstpage_image] =>[orig_patent_app_number] => 514020 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/514020
Opthalmological photographing instrument Apr 25, 1990 Issued
Array ( [id] => 2659402 [patent_doc_number] => 05033840 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-23 [patent_title] => 'Interpupillary distance measuring device with no moving parts' [patent_app_type] => 1 [patent_app_number] => 7/512400 [patent_app_country] => US [patent_app_date] => 1990-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 5461 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/033/05033840.pdf [firstpage_image] =>[orig_patent_app_number] => 512400 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/512400
Interpupillary distance measuring device with no moving parts Apr 22, 1990 Issued
Array ( [id] => 2813264 [patent_doc_number] => 05157427 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-20 [patent_title] => 'Objective refractor' [patent_app_type] => 1 [patent_app_number] => 7/510348 [patent_app_country] => US [patent_app_date] => 1990-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 35 [patent_no_of_words] => 19457 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/157/05157427.pdf [firstpage_image] =>[orig_patent_app_number] => 510348 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/510348
Objective refractor Apr 15, 1990 Issued
07/519343 COLOR-CORRECTED OPTICAL SYSTEMS AND METHOD OF SELECTING OPTICAL MATERIALS THEREFOR Apr 15, 1990 Abandoned
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