Search

David Hung Vu

Examiner (ID: 356, Phone: (571)272-1831 , Office: P/2844 )

Most Active Art Unit
2821
Art Unit(s)
2817, 2828, 2844, 2502, 2821
Total Applications
1734
Issued Applications
1511
Pending Applications
64
Abandoned Applications
163

Applications

Application numberTitle of the applicationFiling DateStatus
08/487802 ELECTRONIC BALLASTS FOR PLURAL LAMP FLUORESCENT LIGHTING Jun 6, 1995 Abandoned
Array ( [id] => 3558161 [patent_doc_number] => 05574338 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-12 [patent_title] => 'Control circuit for gas discharge lamps, which has a transformer with start and run windings' [patent_app_type] => 1 [patent_app_number] => 8/487503 [patent_app_country] => US [patent_app_date] => 1995-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4736 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/574/05574338.pdf [firstpage_image] =>[orig_patent_app_number] => 487503 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/487503
Control circuit for gas discharge lamps, which has a transformer with start and run windings Jun 6, 1995 Issued
Array ( [id] => 3694704 [patent_doc_number] => 05604403 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-18 [patent_title] => 'Color monitor magnetic shield' [patent_app_type] => 1 [patent_app_number] => 8/469384 [patent_app_country] => US [patent_app_date] => 1995-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 6798 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/604/05604403.pdf [firstpage_image] =>[orig_patent_app_number] => 469384 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/469384
Color monitor magnetic shield Jun 5, 1995 Issued
Array ( [id] => 3687437 [patent_doc_number] => 05633564 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-27 [patent_title] => 'Modular uninterruptible lighting system' [patent_app_type] => 1 [patent_app_number] => 8/457015 [patent_app_country] => US [patent_app_date] => 1995-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7424 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/633/05633564.pdf [firstpage_image] =>[orig_patent_app_number] => 457015 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/457015
Modular uninterruptible lighting system May 31, 1995 Issued
08/456854 FAIL-SAFE LIGHTING SYSTEM WITH LOAD SHEDDING AND DIMMING May 31, 1995 Abandoned
Array ( [id] => 3524634 [patent_doc_number] => 05530318 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-25 [patent_title] => 'EL lamp with integral fuse and connector' [patent_app_type] => 1 [patent_app_number] => 8/448745 [patent_app_country] => US [patent_app_date] => 1995-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 2927 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/530/05530318.pdf [firstpage_image] =>[orig_patent_app_number] => 448745 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/448745
EL lamp with integral fuse and connector May 23, 1995 Issued
Array ( [id] => 3511634 [patent_doc_number] => 05569982 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-29 [patent_title] => 'Clamping circuit for IGBT in spark plug ignition system' [patent_app_type] => 1 [patent_app_number] => 8/442813 [patent_app_country] => US [patent_app_date] => 1995-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 2104 [patent_no_of_claims] => 33 [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/05/569/05569982.pdf [firstpage_image] =>[orig_patent_app_number] => 442813 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/442813
Clamping circuit for IGBT in spark plug ignition system May 16, 1995 Issued
Array ( [id] => 3549171 [patent_doc_number] => 05554912 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-10 [patent_title] => 'Adaptive instrument display brightness control system' [patent_app_type] => 1 [patent_app_number] => 8/441505 [patent_app_country] => US [patent_app_date] => 1995-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3988 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/554/05554912.pdf [firstpage_image] =>[orig_patent_app_number] => 441505 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/441505
Adaptive instrument display brightness control system May 14, 1995 Issued
Array ( [id] => 3616933 [patent_doc_number] => 05565738 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-15 [patent_title] => 'Plasma processing apparatus which uses a uniquely shaped antenna to reduce the overall size of the apparatus with respect to the plasma chamber' [patent_app_type] => 1 [patent_app_number] => 8/440453 [patent_app_country] => US [patent_app_date] => 1995-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 1536 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/565/05565738.pdf [firstpage_image] =>[orig_patent_app_number] => 440453 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/440453
Plasma processing apparatus which uses a uniquely shaped antenna to reduce the overall size of the apparatus with respect to the plasma chamber May 11, 1995 Issued
Array ( [id] => 3591322 [patent_doc_number] => 05552677 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-03 [patent_title] => 'Method and control circuit precharging a plurality of columns prior to enabling a row of a display' [patent_app_type] => 1 [patent_app_number] => 8/431995 [patent_app_country] => US [patent_app_date] => 1995-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2017 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/552/05552677.pdf [firstpage_image] =>[orig_patent_app_number] => 431995 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/431995
Method and control circuit precharging a plurality of columns prior to enabling a row of a display Apr 30, 1995 Issued
Array ( [id] => 3706628 [patent_doc_number] => 05646490 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-08 [patent_title] => 'Phase independent signaling for multiple channel, multiple scene dimming system' [patent_app_type] => 1 [patent_app_number] => 8/431689 [patent_app_country] => US [patent_app_date] => 1995-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 4435 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/646/05646490.pdf [firstpage_image] =>[orig_patent_app_number] => 431689 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/431689
Phase independent signaling for multiple channel, multiple scene dimming system Apr 27, 1995 Issued
Array ( [id] => 3665810 [patent_doc_number] => 05656893 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-08-12 [patent_title] => 'Gas discharge display apparatus' [patent_app_type] => 1 [patent_app_number] => 8/428575 [patent_app_country] => US [patent_app_date] => 1995-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 71 [patent_no_of_words] => 28140 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/656/05656893.pdf [firstpage_image] =>[orig_patent_app_number] => 428575 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/428575
Gas discharge display apparatus Apr 24, 1995 Issued
Array ( [id] => 3514069 [patent_doc_number] => 05587628 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-24 [patent_title] => 'Field emitter with a tapered gate for flat panel display' [patent_app_type] => 1 [patent_app_number] => 8/426357 [patent_app_country] => US [patent_app_date] => 1995-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 6316 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/587/05587628.pdf [firstpage_image] =>[orig_patent_app_number] => 426357 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/426357
Field emitter with a tapered gate for flat panel display Apr 20, 1995 Issued
Array ( [id] => 3736715 [patent_doc_number] => 05694007 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-02 [patent_title] => 'Discharge lamp lighting system for avoiding high in-rush current' [patent_app_type] => 1 [patent_app_number] => 8/424956 [patent_app_country] => US [patent_app_date] => 1995-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 17 [patent_no_of_words] => 7027 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/694/05694007.pdf [firstpage_image] =>[orig_patent_app_number] => 424956 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/424956
Discharge lamp lighting system for avoiding high in-rush current Apr 18, 1995 Issued
Array ( [id] => 3591267 [patent_doc_number] => 05552674 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-03 [patent_title] => 'Clocked power supply circuit with auxillary load' [patent_app_type] => 1 [patent_app_number] => 8/406865 [patent_app_country] => US [patent_app_date] => 1995-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2313 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/552/05552674.pdf [firstpage_image] =>[orig_patent_app_number] => 406865 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/406865
Clocked power supply circuit with auxillary load Apr 12, 1995 Issued
Array ( [id] => 3496750 [patent_doc_number] => 05561348 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-01 [patent_title] => 'Field controlled plasma discharge device' [patent_app_type] => 1 [patent_app_number] => 8/420973 [patent_app_country] => US [patent_app_date] => 1995-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 5621 [patent_no_of_claims] => 53 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/561/05561348.pdf [firstpage_image] =>[orig_patent_app_number] => 420973 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/420973
Field controlled plasma discharge device Apr 9, 1995 Issued
Array ( [id] => 3572424 [patent_doc_number] => 05485127 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-16 [patent_title] => 'Integrated dynamic power dissipation control system for very large scale integrated (VLSI) chips' [patent_app_type] => 1 [patent_app_number] => 8/418849 [patent_app_country] => US [patent_app_date] => 1995-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2231 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/485/05485127.pdf [firstpage_image] =>[orig_patent_app_number] => 418849 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/418849
Integrated dynamic power dissipation control system for very large scale integrated (VLSI) chips Apr 6, 1995 Issued
Array ( [id] => 3592724 [patent_doc_number] => 05550437 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-08-27 [patent_title] => 'Electronic dimmable gas tube power supply with overvoltage protection' [patent_app_type] => 1 [patent_app_number] => 8/417955 [patent_app_country] => US [patent_app_date] => 1995-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 6314 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/550/05550437.pdf [firstpage_image] =>[orig_patent_app_number] => 417955 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/417955
Electronic dimmable gas tube power supply with overvoltage protection Apr 5, 1995 Issued
Array ( [id] => 3694773 [patent_doc_number] => 05604408 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-18 [patent_title] => 'Control device for a fluorescent tube, having synchronized blocking of auxiliary and primary transistors' [patent_app_type] => 1 [patent_app_number] => 8/418115 [patent_app_country] => US [patent_app_date] => 1995-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2982 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/604/05604408.pdf [firstpage_image] =>[orig_patent_app_number] => 418115 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/418115
Control device for a fluorescent tube, having synchronized blocking of auxiliary and primary transistors Apr 5, 1995 Issued
Array ( [id] => 3531071 [patent_doc_number] => 05528201 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-18 [patent_title] => 'Pierce crystal oscillator having reliable startup for integrated circuits' [patent_app_type] => 1 [patent_app_number] => 8/414464 [patent_app_country] => US [patent_app_date] => 1995-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2086 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/528/05528201.pdf [firstpage_image] =>[orig_patent_app_number] => 414464 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/414464
Pierce crystal oscillator having reliable startup for integrated circuits Mar 30, 1995 Issued
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