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] => 4055484 [patent_doc_number] => 05909471 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-01 [patent_title] => 'Method and system for rapid initial control signal detection in a wireless communications system' [patent_app_type] => 1 [patent_app_number] => 8/907594 [patent_app_country] => US [patent_app_date] => 1997-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 8263 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/909/05909471.pdf [firstpage_image] =>[orig_patent_app_number] => 907594 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/907594
Method and system for rapid initial control signal detection in a wireless communications system Aug 7, 1997 Issued
Array ( [id] => 3926627 [patent_doc_number] => 06002712 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-14 [patent_title] => 'Timing phase control apparatus and timing phase control method' [patent_app_type] => 1 [patent_app_number] => 8/898493 [patent_app_country] => US [patent_app_date] => 1997-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 30 [patent_no_of_words] => 9086 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/002/06002712.pdf [firstpage_image] =>[orig_patent_app_number] => 898493 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/898493
Timing phase control apparatus and timing phase control method Jul 21, 1997 Issued
Array ( [id] => 4264360 [patent_doc_number] => 06222875 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-24 [patent_title] => 'Low-delay rate detection for variable rate communication systems' [patent_app_type] => 1 [patent_app_number] => 8/890794 [patent_app_country] => US [patent_app_date] => 1997-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3319 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/222/06222875.pdf [firstpage_image] =>[orig_patent_app_number] => 890794 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/890794
Low-delay rate detection for variable rate communication systems Jul 10, 1997 Issued
Array ( [id] => 4018764 [patent_doc_number] => 06005888 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-21 [patent_title] => 'Method for providing offset mask for pseudo-noise sequence generator' [patent_app_type] => 1 [patent_app_number] => 8/889299 [patent_app_country] => US [patent_app_date] => 1997-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 5333 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 578 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/005/06005888.pdf [firstpage_image] =>[orig_patent_app_number] => 889299 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/889299
Method for providing offset mask for pseudo-noise sequence generator Jul 7, 1997 Issued
Array ( [id] => 4199271 [patent_doc_number] => 06151353 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-21 [patent_title] => 'Pre-acquisition frequency offset removal in a GPS receiver' [patent_app_type] => 1 [patent_app_number] => 8/883160 [patent_app_country] => US [patent_app_date] => 1997-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 23 [patent_no_of_words] => 13232 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/151/06151353.pdf [firstpage_image] =>[orig_patent_app_number] => 883160 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/883160
Pre-acquisition frequency offset removal in a GPS receiver Jun 25, 1997 Issued
Array ( [id] => 4248854 [patent_doc_number] => 06118808 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-12 [patent_title] => 'GPS receiver with efficient signal acquisition' [patent_app_type] => 1 [patent_app_number] => 8/883159 [patent_app_country] => US [patent_app_date] => 1997-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 23 [patent_no_of_words] => 13234 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/118/06118808.pdf [firstpage_image] =>[orig_patent_app_number] => 883159 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/883159
GPS receiver with efficient signal acquisition Jun 25, 1997 Issued
Array ( [id] => 4198308 [patent_doc_number] => 06094450 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-25 [patent_title] => 'Spread spectrum chip shift keying modulation/demodulation system and method' [patent_app_type] => 1 [patent_app_number] => 8/879356 [patent_app_country] => US [patent_app_date] => 1997-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7244 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/094/06094450.pdf [firstpage_image] =>[orig_patent_app_number] => 879356 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/879356
Spread spectrum chip shift keying modulation/demodulation system and method Jun 19, 1997 Issued
Array ( [id] => 3941777 [patent_doc_number] => 05953369 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-14 [patent_title] => 'DS-CDMA receiver with multi-stage serial interference cancelers using power level information appended to data blocks' [patent_app_type] => 1 [patent_app_number] => 8/872604 [patent_app_country] => US [patent_app_date] => 1997-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4408 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/953/05953369.pdf [firstpage_image] =>[orig_patent_app_number] => 872604 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/872604
DS-CDMA receiver with multi-stage serial interference cancelers using power level information appended to data blocks Jun 9, 1997 Issued
Array ( [id] => 4066604 [patent_doc_number] => 05970099 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-19 [patent_title] => 'Silent polarity reversal in a communication system' [patent_app_type] => 1 [patent_app_number] => 8/870894 [patent_app_country] => US [patent_app_date] => 1997-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 11 [patent_no_of_words] => 7999 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/970/05970099.pdf [firstpage_image] =>[orig_patent_app_number] => 870894 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/870894
Silent polarity reversal in a communication system Jun 5, 1997 Issued
Array ( [id] => 4235485 [patent_doc_number] => 06011821 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-04 [patent_title] => 'Process for synchronization of matching circuits of a communication system with several modules' [patent_app_type] => 1 [patent_app_number] => 8/869681 [patent_app_country] => US [patent_app_date] => 1997-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1751 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/011/06011821.pdf [firstpage_image] =>[orig_patent_app_number] => 869681 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/869681
Process for synchronization of matching circuits of a communication system with several modules Jun 4, 1997 Issued
Array ( [id] => 4111895 [patent_doc_number] => 06067334 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-23 [patent_title] => 'Device for and method of aligning in time digital signals, for example a clock signal and data stream' [patent_app_type] => 1 [patent_app_number] => 8/869936 [patent_app_country] => US [patent_app_date] => 1997-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 5468 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/067/06067334.pdf [firstpage_image] =>[orig_patent_app_number] => 869936 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/869936
Device for and method of aligning in time digital signals, for example a clock signal and data stream Jun 4, 1997 Issued
Array ( [id] => 4141865 [patent_doc_number] => 06128337 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-03 [patent_title] => 'Multipath signal discrimination' [patent_app_type] => 1 [patent_app_number] => 8/865607 [patent_app_country] => US [patent_app_date] => 1997-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 23 [patent_no_of_words] => 7490 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/128/06128337.pdf [firstpage_image] =>[orig_patent_app_number] => 865607 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/865607
Multipath signal discrimination May 28, 1997 Issued
Array ( [id] => 3972024 [patent_doc_number] => 05937018 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-10 [patent_title] => 'DC offset compensation using antenna arrays' [patent_app_type] => 1 [patent_app_number] => 8/865566 [patent_app_country] => US [patent_app_date] => 1997-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2223 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/937/05937018.pdf [firstpage_image] =>[orig_patent_app_number] => 865566 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/865566
DC offset compensation using antenna arrays May 28, 1997 Issued
Array ( [id] => 4097168 [patent_doc_number] => 06018543 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-25 [patent_title] => 'Noisy channel avoidance method in a digital communication system' [patent_app_type] => 1 [patent_app_number] => 8/861604 [patent_app_country] => US [patent_app_date] => 1997-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3807 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/018/06018543.pdf [firstpage_image] =>[orig_patent_app_number] => 861604 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/861604
Noisy channel avoidance method in a digital communication system May 20, 1997 Issued
Array ( [id] => 3959358 [patent_doc_number] => 05982812 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-09 [patent_title] => 'Method and apparatus for monitoring frequency synthesizer locking time' [patent_app_type] => 1 [patent_app_number] => 8/856257 [patent_app_country] => US [patent_app_date] => 1997-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2872 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/982/05982812.pdf [firstpage_image] =>[orig_patent_app_number] => 856257 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/856257
Method and apparatus for monitoring frequency synthesizer locking time May 13, 1997 Issued
Array ( [id] => 4210595 [patent_doc_number] => 06014413 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-11 [patent_title] => 'Time-shifted weighting for signal processing' [patent_app_type] => 1 [patent_app_number] => 8/850896 [patent_app_country] => US [patent_app_date] => 1997-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 2870 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/014/06014413.pdf [firstpage_image] =>[orig_patent_app_number] => 850896 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/850896
Time-shifted weighting for signal processing May 1, 1997 Issued
Array ( [id] => 4040056 [patent_doc_number] => 05903594 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-11 [patent_title] => 'Power line communications spread spectrum protocol' [patent_app_type] => 1 [patent_app_number] => 8/838215 [patent_app_country] => US [patent_app_date] => 1997-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3278 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/903/05903594.pdf [firstpage_image] =>[orig_patent_app_number] => 838215 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/838215
Power line communications spread spectrum protocol Apr 15, 1997 Issued
Array ( [id] => 4027604 [patent_doc_number] => 05963593 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-05 [patent_title] => 'Line equalizer control method, and integrating circuit, frequency shift circuit and transmission device' [patent_app_type] => 1 [patent_app_number] => 8/825067 [patent_app_country] => US [patent_app_date] => 1997-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 40 [patent_no_of_words] => 18237 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/963/05963593.pdf [firstpage_image] =>[orig_patent_app_number] => 825067 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/825067
Line equalizer control method, and integrating circuit, frequency shift circuit and transmission device Mar 26, 1997 Issued
Array ( [id] => 4210610 [patent_doc_number] => 06014414 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-11 [patent_title] => 'Synchronization-message-based active reference switching unit' [patent_app_type] => 1 [patent_app_number] => 8/824900 [patent_app_country] => US [patent_app_date] => 1997-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 8220 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/014/06014414.pdf [firstpage_image] =>[orig_patent_app_number] => 824900 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/824900
Synchronization-message-based active reference switching unit Mar 25, 1997 Issued
Array ( [id] => 3972486 [patent_doc_number] => 05901182 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-05-04 [patent_title] => 'Metric sifting in breadth-first decoding of convolutional coded data' [patent_app_type] => 1 [patent_app_number] => 8/824417 [patent_app_country] => US [patent_app_date] => 1997-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4636 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/901/05901182.pdf [firstpage_image] =>[orig_patent_app_number] => 824417 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/824417
Metric sifting in breadth-first decoding of convolutional coded data Mar 25, 1997 Issued
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