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
Array ( [id] => 3428916 [patent_doc_number] => 05459443 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-17 [patent_title] => 'Planar filter, in particular for multiple-pole plug connectors having a plug and a counterpart plug' [patent_app_type] => 1 [patent_app_number] => 8/293678 [patent_app_country] => US [patent_app_date] => 1994-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 4921 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/459/05459443.pdf [firstpage_image] =>[orig_patent_app_number] => 293678 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/293678
Planar filter, in particular for multiple-pole plug connectors having a plug and a counterpart plug Aug 18, 1994 Issued
Array ( [id] => 3433563 [patent_doc_number] => 05463279 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-31 [patent_title] => 'Active matrix electroluminescent cell design' [patent_app_type] => 1 [patent_app_number] => 8/293144 [patent_app_country] => US [patent_app_date] => 1994-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4173 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/463/05463279.pdf [firstpage_image] =>[orig_patent_app_number] => 293144 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/293144
Active matrix electroluminescent cell design Aug 18, 1994 Issued
Array ( [id] => 3563110 [patent_doc_number] => 05502422 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-03-26 [patent_title] => 'Filter with an adjustable shunt zero' [patent_app_type] => 1 [patent_app_number] => 8/289816 [patent_app_country] => US [patent_app_date] => 1994-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 3174 [patent_no_of_claims] => 16 [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/05/502/05502422.pdf [firstpage_image] =>[orig_patent_app_number] => 289816 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/289816
Filter with an adjustable shunt zero Aug 11, 1994 Issued
Array ( [id] => 3420630 [patent_doc_number] => 05453662 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-26 [patent_title] => 'Photocell system for automatic headlight controller with light tube' [patent_app_type] => 1 [patent_app_number] => 8/288009 [patent_app_country] => US [patent_app_date] => 1994-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3850 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/453/05453662.pdf [firstpage_image] =>[orig_patent_app_number] => 288009 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/288009
Photocell system for automatic headlight controller with light tube Aug 9, 1994 Issued
08/286773 POWER REGULATOR FOR FLUORESCENT LAMP Aug 4, 1994 Abandoned
Array ( [id] => 3558104 [patent_doc_number] => 05574335 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-12 [patent_title] => 'Ballast containing protection circuit for detecting rectification of arc discharge lamp' [patent_app_type] => 1 [patent_app_number] => 8/284779 [patent_app_country] => US [patent_app_date] => 1994-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4079 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/574/05574335.pdf [firstpage_image] =>[orig_patent_app_number] => 284779 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/284779
Ballast containing protection circuit for detecting rectification of arc discharge lamp Aug 1, 1994 Issued
Array ( [id] => 3593230 [patent_doc_number] => 05517084 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-14 [patent_title] => 'Selective ion source' [patent_app_type] => 1 [patent_app_number] => 8/280273 [patent_app_country] => US [patent_app_date] => 1994-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5784 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/517/05517084.pdf [firstpage_image] =>[orig_patent_app_number] => 280273 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/280273
Selective ion source Jul 25, 1994 Issued
Array ( [id] => 3567241 [patent_doc_number] => 05525942 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-11 [patent_title] => 'LC-type dielectric filter and duplexer' [patent_app_type] => 1 [patent_app_number] => 8/279169 [patent_app_country] => US [patent_app_date] => 1994-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 3668 [patent_no_of_claims] => 42 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/525/05525942.pdf [firstpage_image] =>[orig_patent_app_number] => 279169 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/279169
LC-type dielectric filter and duplexer Jul 21, 1994 Issued
Array ( [id] => 3420672 [patent_doc_number] => 05453665 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-26 [patent_title] => 'Single transistor electronic ballast' [patent_app_type] => 1 [patent_app_number] => 8/277929 [patent_app_country] => US [patent_app_date] => 1994-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1154 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/453/05453665.pdf [firstpage_image] =>[orig_patent_app_number] => 277929 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/277929
Single transistor electronic ballast Jul 19, 1994 Issued
Array ( [id] => 3584144 [patent_doc_number] => 05491386 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-13 [patent_title] => 'Stable high frequency high-pressure discharge lamp lighting device avoiding acoustic resonance' [patent_app_type] => 1 [patent_app_number] => 8/277023 [patent_app_country] => US [patent_app_date] => 1994-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 18 [patent_no_of_words] => 6832 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/491/05491386.pdf [firstpage_image] =>[orig_patent_app_number] => 277023 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/277023
Stable high frequency high-pressure discharge lamp lighting device avoiding acoustic resonance Jul 18, 1994 Issued
Array ( [id] => 3586881 [patent_doc_number] => 05581161 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-03 [patent_title] => 'DC coupled electronic ballast with a larger DC and smaller AC signal' [patent_app_type] => 1 [patent_app_number] => 8/274218 [patent_app_country] => US [patent_app_date] => 1994-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 5386 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/581/05581161.pdf [firstpage_image] =>[orig_patent_app_number] => 274218 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/274218
DC coupled electronic ballast with a larger DC and smaller AC signal Jul 12, 1994 Issued
Array ( [id] => 3523336 [patent_doc_number] => 05506551 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-09 [patent_title] => 'Resonator and chip type filter using the resonator' [patent_app_type] => 1 [patent_app_number] => 8/270824 [patent_app_country] => US [patent_app_date] => 1994-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 40 [patent_no_of_words] => 7372 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/506/05506551.pdf [firstpage_image] =>[orig_patent_app_number] => 270824 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/270824
Resonator and chip type filter using the resonator Jul 4, 1994 Issued
Array ( [id] => 3478028 [patent_doc_number] => 05477194 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-12-19 [patent_title] => 'Temperature compensated PLL frequency synthesizer and high-speed frequency lock method using the same' [patent_app_type] => 1 [patent_app_number] => 8/267389 [patent_app_country] => US [patent_app_date] => 1994-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3484 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/477/05477194.pdf [firstpage_image] =>[orig_patent_app_number] => 267389 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/267389
Temperature compensated PLL frequency synthesizer and high-speed frequency lock method using the same Jun 28, 1994 Issued
Array ( [id] => 3617275 [patent_doc_number] => 05534754 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-09 [patent_title] => 'Apparatus for supplying electrical power to an arc lamp including resonant circuit' [patent_app_type] => 1 [patent_app_number] => 8/268258 [patent_app_country] => US [patent_app_date] => 1994-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3542 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/534/05534754.pdf [firstpage_image] =>[orig_patent_app_number] => 268258 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/268258
Apparatus for supplying electrical power to an arc lamp including resonant circuit Jun 28, 1994 Issued
Array ( [id] => 3478102 [patent_doc_number] => 05477198 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-12-19 [patent_title] => 'Extendible-range voltage controlled oscillator' [patent_app_type] => 1 [patent_app_number] => 8/264863 [patent_app_country] => US [patent_app_date] => 1994-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 17 [patent_no_of_words] => 2993 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/477/05477198.pdf [firstpage_image] =>[orig_patent_app_number] => 264863 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/264863
Extendible-range voltage controlled oscillator Jun 22, 1994 Issued
Array ( [id] => 3604411 [patent_doc_number] => 05559473 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-24 [patent_title] => 'Multi-range voltage controlled oscillator' [patent_app_type] => 1 [patent_app_number] => 8/264815 [patent_app_country] => US [patent_app_date] => 1994-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 17 [patent_no_of_words] => 2992 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/559/05559473.pdf [firstpage_image] =>[orig_patent_app_number] => 264815 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/264815
Multi-range voltage controlled oscillator Jun 22, 1994 Issued
Array ( [id] => 3465302 [patent_doc_number] => 05442327 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-15 [patent_title] => 'MMIC tunable biphase modulator' [patent_app_type] => 1 [patent_app_number] => 8/263324 [patent_app_country] => US [patent_app_date] => 1994-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4182 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/442/05442327.pdf [firstpage_image] =>[orig_patent_app_number] => 263324 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/263324
MMIC tunable biphase modulator Jun 20, 1994 Issued
Array ( [id] => 3458745 [patent_doc_number] => 05451913 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-19 [patent_title] => 'Compact MMIC tunable biphase modulator and method' [patent_app_type] => 1 [patent_app_number] => 8/263226 [patent_app_country] => US [patent_app_date] => 1994-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2581 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/451/05451913.pdf [firstpage_image] =>[orig_patent_app_number] => 263226 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/263226
Compact MMIC tunable biphase modulator and method Jun 20, 1994 Issued
Array ( [id] => 3458728 [patent_doc_number] => 05451912 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-19 [patent_title] => 'Methods and apparatus for a programmable frequency generator that requires no dedicated programming pins' [patent_app_type] => 1 [patent_app_number] => 8/259323 [patent_app_country] => US [patent_app_date] => 1994-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4237 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/451/05451912.pdf [firstpage_image] =>[orig_patent_app_number] => 259323 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/259323
Methods and apparatus for a programmable frequency generator that requires no dedicated programming pins Jun 12, 1994 Issued
Array ( [id] => 3558263 [patent_doc_number] => 05493256 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-20 [patent_title] => 'Phase locked signal generator to produce a clock signal in phase with a trigger' [patent_app_type] => 1 [patent_app_number] => 8/257290 [patent_app_country] => US [patent_app_date] => 1994-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 8335 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/493/05493256.pdf [firstpage_image] =>[orig_patent_app_number] => 257290 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/257290
Phase locked signal generator to produce a clock signal in phase with a trigger Jun 8, 1994 Issued
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