Search

David M Purol

Examiner (ID: 12453, Phone: (571)272-6833 , Office: P/3634 )

Most Active Art Unit
3634
Art Unit(s)
3509, 3623, 3505, 3634, 2899
Total Applications
2967
Issued Applications
2213
Pending Applications
74
Abandoned Applications
680

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4066713 [patent_doc_number] => 05970107 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-19 [patent_title] => 'Synchronous residual time stamp service clock regenerator phase locked loop phase comparator and loop filter' [patent_app_type] => 1 [patent_app_number] => 9/003298 [patent_app_country] => US [patent_app_date] => 1998-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 7057 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/970/05970107.pdf [firstpage_image] =>[orig_patent_app_number] => 003298 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/003298
Synchronous residual time stamp service clock regenerator phase locked loop phase comparator and loop filter Jan 5, 1998 Issued
Array ( [id] => 4150005 [patent_doc_number] => 06122337 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-19 [patent_title] => 'Modular circuitry architecture for residual time stamp service clock regenerator phase locked loop' [patent_app_type] => 1 [patent_app_number] => 9/003296 [patent_app_country] => US [patent_app_date] => 1998-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 7195 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/122/06122337.pdf [firstpage_image] =>[orig_patent_app_number] => 003296 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/003296
Modular circuitry architecture for residual time stamp service clock regenerator phase locked loop Jan 5, 1998 Issued
Array ( [id] => 4252365 [patent_doc_number] => 06144714 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-07 [patent_title] => 'Programmable fractional frequency digital frequency synthesizer for synchronous residual time stamp service clock regenerator phase locked loop' [patent_app_type] => 1 [patent_app_number] => 9/003293 [patent_app_country] => US [patent_app_date] => 1998-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 7089 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/144/06144714.pdf [firstpage_image] =>[orig_patent_app_number] => 003293 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/003293
Programmable fractional frequency digital frequency synthesizer for synchronous residual time stamp service clock regenerator phase locked loop Jan 5, 1998 Issued
Array ( [id] => 4235514 [patent_doc_number] => 06011823 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-04 [patent_title] => 'Combined synchronous residual time stamp generator and service clock regenerator architecture' [patent_app_type] => 1 [patent_app_number] => 9/003297 [patent_app_country] => US [patent_app_date] => 1998-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 7055 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 362 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/011/06011823.pdf [firstpage_image] =>[orig_patent_app_number] => 003297 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/003297
Combined synchronous residual time stamp generator and service clock regenerator architecture Jan 5, 1998 Issued
Array ( [id] => 4193240 [patent_doc_number] => 06038261 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-14 [patent_title] => 'Method and device for setup of clipping noise of a multicarrier modulation' [patent_app_type] => 1 [patent_app_number] => 9/001297 [patent_app_country] => US [patent_app_date] => 1997-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 3749 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/038/06038261.pdf [firstpage_image] =>[orig_patent_app_number] => 001297 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/001297
Method and device for setup of clipping noise of a multicarrier modulation Dec 30, 1997 Issued
Array ( [id] => 3955156 [patent_doc_number] => 05974094 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-26 [patent_title] => 'FFT receiver for MFSK' [patent_app_type] => 1 [patent_app_number] => 8/930699 [patent_app_country] => US [patent_app_date] => 1997-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 11 [patent_no_of_words] => 4384 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/974/05974094.pdf [firstpage_image] =>[orig_patent_app_number] => 930699 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/930699
FFT receiver for MFSK Dec 16, 1997 Issued
Array ( [id] => 4235368 [patent_doc_number] => 06011814 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-04 [patent_title] => 'Adaptive comb filter and decision feedback equalizer for noise suppression' [patent_app_type] => 1 [patent_app_number] => 8/992498 [patent_app_country] => US [patent_app_date] => 1997-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5709 [patent_no_of_claims] => 50 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/011/06011814.pdf [firstpage_image] =>[orig_patent_app_number] => 992498 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/992498
Adaptive comb filter and decision feedback equalizer for noise suppression Dec 16, 1997 Issued
Array ( [id] => 4018896 [patent_doc_number] => 06005896 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-21 [patent_title] => 'Radio data communication device and radio data communication method' [patent_app_type] => 1 [patent_app_number] => 8/978858 [patent_app_country] => US [patent_app_date] => 1997-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3768 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/005/06005896.pdf [firstpage_image] =>[orig_patent_app_number] => 978858 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/978858
Radio data communication device and radio data communication method Nov 25, 1997 Issued
Array ( [id] => 3926848 [patent_doc_number] => 06002726 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-14 [patent_title] => 'FM discriminator with automatic gain control for digital signal processors' [patent_app_type] => 1 [patent_app_number] => 8/975997 [patent_app_country] => US [patent_app_date] => 1997-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2716 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/002/06002726.pdf [firstpage_image] =>[orig_patent_app_number] => 975997 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/975997
FM discriminator with automatic gain control for digital signal processors Nov 20, 1997 Issued
Array ( [id] => 4066535 [patent_doc_number] => 05970094 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-19 [patent_title] => 'Adaptive equalizer employing filter input circuit in a circular structure' [patent_app_type] => 1 [patent_app_number] => 8/964758 [patent_app_country] => US [patent_app_date] => 1997-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2611 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/970/05970094.pdf [firstpage_image] =>[orig_patent_app_number] => 964758 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/964758
Adaptive equalizer employing filter input circuit in a circular structure Nov 4, 1997 Issued
Array ( [id] => 3962406 [patent_doc_number] => 05991338 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-23 [patent_title] => 'Pinpointing interruptions' [patent_app_type] => 1 [patent_app_number] => 8/950397 [patent_app_country] => US [patent_app_date] => 1997-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2627 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/991/05991338.pdf [firstpage_image] =>[orig_patent_app_number] => 950397 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/950397
Pinpointing interruptions Oct 13, 1997 Issued
Array ( [id] => 4252060 [patent_doc_number] => 06144694 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-07 [patent_title] => 'Transmitting apparatus for code division multiplexed signals' [patent_app_type] => 1 [patent_app_number] => 8/944997 [patent_app_country] => US [patent_app_date] => 1997-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 2993 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/144/06144694.pdf [firstpage_image] =>[orig_patent_app_number] => 944997 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/944997
Transmitting apparatus for code division multiplexed signals Oct 6, 1997 Issued
Array ( [id] => 4094662 [patent_doc_number] => 06055269 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-25 [patent_title] => 'Adaptive equalization technique using twice sampled non-return to zero data' [patent_app_type] => 1 [patent_app_number] => 8/944599 [patent_app_country] => US [patent_app_date] => 1997-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8680 [patent_no_of_claims] => 53 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/055/06055269.pdf [firstpage_image] =>[orig_patent_app_number] => 944599 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/944599
Adaptive equalization technique using twice sampled non-return to zero data Oct 5, 1997 Issued
Array ( [id] => 4149988 [patent_doc_number] => 06122336 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-19 [patent_title] => 'Digital clock recovery circuit with phase interpolation' [patent_app_type] => 1 [patent_app_number] => 8/927947 [patent_app_country] => US [patent_app_date] => 1997-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 3238 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/122/06122336.pdf [firstpage_image] =>[orig_patent_app_number] => 927947 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/927947
Digital clock recovery circuit with phase interpolation Sep 10, 1997 Issued
Array ( [id] => 3941989 [patent_doc_number] => 05953381 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-14 [patent_title] => 'Noise canceler utilizing orthogonal transform' [patent_app_type] => 1 [patent_app_number] => 8/918994 [patent_app_country] => US [patent_app_date] => 1997-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 9258 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 16 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/953/05953381.pdf [firstpage_image] =>[orig_patent_app_number] => 918994 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/918994
Noise canceler utilizing orthogonal transform Aug 26, 1997 Issued
Array ( [id] => 4035709 [patent_doc_number] => 05926503 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-20 [patent_title] => 'DS-CDMA receiver and forward link diversity method' [patent_app_type] => 1 [patent_app_number] => 8/920558 [patent_app_country] => US [patent_app_date] => 1997-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5436 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/926/05926503.pdf [firstpage_image] =>[orig_patent_app_number] => 920558 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/920558
DS-CDMA receiver and forward link diversity method Aug 26, 1997 Issued
Array ( [id] => 4418651 [patent_doc_number] => 06173016 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-09 [patent_title] => 'Transmission method, transmission apparatus and reception method and reception apparatus' [patent_app_type] => 1 [patent_app_number] => 8/914796 [patent_app_country] => US [patent_app_date] => 1997-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 25 [patent_no_of_words] => 11465 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/173/06173016.pdf [firstpage_image] =>[orig_patent_app_number] => 914796 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/914796
Transmission method, transmission apparatus and reception method and reception apparatus Aug 19, 1997 Issued
08/860196 METHOD AND APPARATUS FOR ESTIMATING AND SEPARATING NOISE CONTAINED IN SPREAD SPECTRUM SIGNAL Aug 17, 1997 Abandoned
Array ( [id] => 4079684 [patent_doc_number] => 06009130 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-28 [patent_title] => 'Multiple access digital transmitter and receiver' [patent_app_type] => 1 [patent_app_number] => 8/817896 [patent_app_country] => US [patent_app_date] => 1997-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 41 [patent_no_of_words] => 13065 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/009/06009130.pdf [firstpage_image] =>[orig_patent_app_number] => 817896 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/817896
Multiple access digital transmitter and receiver Aug 17, 1997 Issued
Array ( [id] => 4066466 [patent_doc_number] => 05970089 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-19 [patent_title] => 'Method and apparatus for generating a probing signal for a system having non-linear network and codec distortion' [patent_app_type] => 1 [patent_app_number] => 8/909997 [patent_app_country] => US [patent_app_date] => 1997-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4561 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/970/05970089.pdf [firstpage_image] =>[orig_patent_app_number] => 909997 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/909997
Method and apparatus for generating a probing signal for a system having non-linear network and codec distortion Aug 11, 1997 Issued
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