
Daniel Swerdlow
Supervisory Patent Examiner (ID: 328, Phone: (571)272-7531 , Office: P/2600 )
| Most Active Art Unit | 2615 |
| Art Unit(s) | 2615, 2600, 2644, 2646, 3649 |
| Total Applications | 336 |
| Issued Applications | 216 |
| Pending Applications | 21 |
| Abandoned Applications | 99 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 755318
[patent_doc_number] => 07023985
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2006-04-04
[patent_title] => 'Circuit for electronically generating a call impedance'
[patent_app_type] => utility
[patent_app_number] => 09/806479
[patent_app_country] => US
[patent_app_date] => 1999-10-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 5
[patent_no_of_words] => 4345
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 143
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/023/07023985.pdf
[firstpage_image] =>[orig_patent_app_number] => 09806479
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/806479 | Circuit for electronically generating a call impedance | Oct 20, 1999 | Issued |
Array
(
[id] => 1235067
[patent_doc_number] => 06694018
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2004-02-17
[patent_title] => 'Echo canceling apparatus and method, and voice reproducing apparatus'
[patent_app_type] => B1
[patent_app_number] => 09/422249
[patent_app_country] => US
[patent_app_date] => 1999-10-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 8
[patent_no_of_words] => 6741
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 6
[patent_words_short_claim] => 116
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/694/06694018.pdf
[firstpage_image] =>[orig_patent_app_number] => 09422249
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/422249 | Echo canceling apparatus and method, and voice reproducing apparatus | Oct 20, 1999 | Issued |
Array
(
[id] => 1256563
[patent_doc_number] => 06671373
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-12-30
[patent_title] => 'Method and apparatus for DC feed control'
[patent_app_type] => B1
[patent_app_number] => 09/420713
[patent_app_country] => US
[patent_app_date] => 1999-10-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 4180
[patent_no_of_claims] => 23
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 106
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/671/06671373.pdf
[firstpage_image] =>[orig_patent_app_number] => 09420713
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/420713 | Method and apparatus for DC feed control | Oct 19, 1999 | Issued |
Array
(
[id] => 7621494
[patent_doc_number] => 06978007
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2005-12-20
[patent_title] => 'Communications systems'
[patent_app_type] => utility
[patent_app_number] => 09/390497
[patent_app_country] => US
[patent_app_date] => 1999-09-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 2887
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 176
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/978/06978007.pdf
[firstpage_image] =>[orig_patent_app_number] => 09390497
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/390497 | Communications systems | Sep 2, 1999 | Issued |
Array
(
[id] => 970374
[patent_doc_number] => 06940968
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2005-09-06
[patent_title] => 'Telephone terminal apparatus and method'
[patent_app_type] => utility
[patent_app_number] => 09/383775
[patent_app_country] => US
[patent_app_date] => 1999-08-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 4
[patent_no_of_words] => 6446
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 13
[patent_words_short_claim] => 39
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/940/06940968.pdf
[firstpage_image] =>[orig_patent_app_number] => 09383775
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/383775 | Telephone terminal apparatus and method | Aug 25, 1999 | Issued |
Array
(
[id] => 1020267
[patent_doc_number] => 06891955
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2005-05-10
[patent_title] => 'Audio volume control for computer systems'
[patent_app_type] => utility
[patent_app_number] => 09/363788
[patent_app_country] => US
[patent_app_date] => 1999-07-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 2423
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 124
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/891/06891955.pdf
[firstpage_image] =>[orig_patent_app_number] => 09363788
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/363788 | Audio volume control for computer systems | Jul 28, 1999 | Issued |
Array
(
[id] => 7646270
[patent_doc_number] => 06477250
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2002-11-05
[patent_title] => 'Adjustable hybrid having dial tone alignment configuration'
[patent_app_type] => B1
[patent_app_number] => 09/357612
[patent_app_country] => US
[patent_app_date] => 1999-07-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 15
[patent_figures_cnt] => 22
[patent_no_of_words] => 9203
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 17
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/477/06477250.pdf
[firstpage_image] =>[orig_patent_app_number] => 09357612
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/357612 | Adjustable hybrid having dial tone alignment configuration | Jul 19, 1999 | Issued |
| 09/331499 | METHOD AND DEVICE FOR REMOTE FEEDING SEVERAL CONSUMERS OF THE SAME TYPE FROM ONE ENERGY SOURCE | Jun 20, 1999 | Abandoned |
Array
(
[id] => 1388029
[patent_doc_number] => 06567519
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-05-20
[patent_title] => 'System and method for processing an input signal communicated on a telephone line'
[patent_app_type] => B1
[patent_app_number] => 09/322266
[patent_app_country] => US
[patent_app_date] => 1999-05-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 5
[patent_no_of_words] => 4616
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 177
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/567/06567519.pdf
[firstpage_image] =>[orig_patent_app_number] => 09322266
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/322266 | System and method for processing an input signal communicated on a telephone line | May 27, 1999 | Issued |
Array
(
[id] => 1276962
[patent_doc_number] => 06654463
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-11-25
[patent_title] => 'Round trip delay estimator and compensator for the echo canceller'
[patent_app_type] => B1
[patent_app_number] => 09/322572
[patent_app_country] => US
[patent_app_date] => 1999-05-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 10648
[patent_no_of_claims] => 40
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 94
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/654/06654463.pdf
[firstpage_image] =>[orig_patent_app_number] => 09322572
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/322572 | Round trip delay estimator and compensator for the echo canceller | May 27, 1999 | Issued |
Array
(
[id] => 1249819
[patent_doc_number] => 06674843
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2004-01-06
[patent_title] => 'Apparatus system and method for enabling multi-frequency communication over a telephone network having a billing/tax tone'
[patent_app_type] => B1
[patent_app_number] => 09/322330
[patent_app_country] => US
[patent_app_date] => 1999-05-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 7
[patent_no_of_words] => 4198
[patent_no_of_claims] => 23
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 102
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/674/06674843.pdf
[firstpage_image] =>[orig_patent_app_number] => 09322330
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/322330 | Apparatus system and method for enabling multi-frequency communication over a telephone network having a billing/tax tone | May 27, 1999 | Issued |
Array
(
[id] => 711319
[patent_doc_number] => 07062039
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2006-06-13
[patent_title] => 'Methods and apparatus for improving adaptive filter performance by inclusion of inaudible information'
[patent_app_type] => utility
[patent_app_number] => 09/320659
[patent_app_country] => US
[patent_app_date] => 1999-05-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 3654
[patent_no_of_claims] => 28
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 62
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/062/07062039.pdf
[firstpage_image] =>[orig_patent_app_number] => 09320659
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/320659 | Methods and apparatus for improving adaptive filter performance by inclusion of inaudible information | May 26, 1999 | Issued |
Array
(
[id] => 1401956
[patent_doc_number] => 06556677
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-04-29
[patent_title] => 'Single-ended echo cancellation system and method'
[patent_app_type] => B1
[patent_app_number] => 09/321269
[patent_app_country] => US
[patent_app_date] => 1999-05-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2123
[patent_no_of_claims] => 22
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 108
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/556/06556677.pdf
[firstpage_image] =>[orig_patent_app_number] => 09321269
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/321269 | Single-ended echo cancellation system and method | May 26, 1999 | Issued |
Array
(
[id] => 7631940
[patent_doc_number] => 06665397
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-12-16
[patent_title] => 'Telephone signal detecting circuit'
[patent_app_type] => B1
[patent_app_number] => 09/323173
[patent_app_country] => US
[patent_app_date] => 1999-05-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 7
[patent_no_of_words] => 1807
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 22
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/665/06665397.pdf
[firstpage_image] =>[orig_patent_app_number] => 09323173
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/323173 | Telephone signal detecting circuit | May 26, 1999 | Issued |
Array
(
[id] => 441748
[patent_doc_number] => 07260231
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2007-08-21
[patent_title] => 'Multi-channel audio panel'
[patent_app_type] => utility
[patent_app_number] => 09/320349
[patent_app_country] => US
[patent_app_date] => 1999-05-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 12
[patent_no_of_words] => 5064
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 6
[patent_words_short_claim] => 163
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/260/07260231.pdf
[firstpage_image] =>[orig_patent_app_number] => 09320349
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/320349 | Multi-channel audio panel | May 25, 1999 | Issued |
Array
(
[id] => 1184345
[patent_doc_number] => 06744889
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2004-06-01
[patent_title] => 'Subscriber circuit for public telephone set'
[patent_app_type] => B1
[patent_app_number] => 09/318827
[patent_app_country] => US
[patent_app_date] => 1999-05-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 3516
[patent_no_of_claims] => 8
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[patent_words_short_claim] => 211
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/744/06744889.pdf
[firstpage_image] =>[orig_patent_app_number] => 09318827
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/318827 | Subscriber circuit for public telephone set | May 25, 1999 | Issued |
Array
(
[id] => 1175632
[patent_doc_number] => 06757377
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2004-06-29
[patent_title] => 'Central office filter system and method'
[patent_app_type] => B1
[patent_app_number] => 09/318279
[patent_app_country] => US
[patent_app_date] => 1999-05-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 6
[patent_no_of_words] => 6021
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 212
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/757/06757377.pdf
[firstpage_image] =>[orig_patent_app_number] => 09318279
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/318279 | Central office filter system and method | May 24, 1999 | Issued |
| 09/308728 | TELEPHONE EQUIPMENT WITH RECHARGEABLE BATTERY AND DETECTION OF THE TYPE OF CHARGER USED | May 23, 1999 | Abandoned |
Array
(
[id] => 1292969
[patent_doc_number] => 06639984
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-10-28
[patent_title] => 'Feeder circuit'
[patent_app_type] => B1
[patent_app_number] => 09/316116
[patent_app_country] => US
[patent_app_date] => 1999-05-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 15
[patent_figures_cnt] => 15
[patent_no_of_words] => 13311
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 6
[patent_words_short_claim] => 144
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/639/06639984.pdf
[firstpage_image] =>[orig_patent_app_number] => 09316116
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/316116 | Feeder circuit | May 19, 1999 | Issued |
| 09/314243 | METHOD AND APPARATUS FOR IMPROVING PERFORMANCE OF A SPLITTERLESS ASYMMETRIC DIGITAL SUBSCRIBER LINE (ASDL) | May 17, 1999 | Abandoned |