Search

George J Letscher

Examiner (ID: 6384)

Most Active Art Unit
2653
Art Unit(s)
2754, 2652, 2653, 2512
Total Applications
746
Issued Applications
602
Pending Applications
37
Abandoned Applications
107

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6986378 [patent_doc_number] => 20010036210 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-11-01 [patent_title] => 'Method and a coupling to change the wavelength of an optical transmitter in a system using wavelength division multiplexing' [patent_app_type] => new [patent_app_number] => 09/864644 [patent_app_country] => US [patent_app_date] => 2001-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2989 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0036/20010036210.pdf [firstpage_image] =>[orig_patent_app_number] => 09864644 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/864644
Method and a coupling to change the wavelength of an optical transmitter in a system using wavelength division multiplexing May 22, 2001 Abandoned
Array ( [id] => 1465481 [patent_doc_number] => 06351484 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-02-26 [patent_title] => 'Output couplers for lasers' [patent_app_type] => B1 [patent_app_number] => 09/649900 [patent_app_country] => US [patent_app_date] => 2000-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 12 [patent_no_of_words] => 2548 [patent_no_of_claims] => 43 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/351/06351484.pdf [firstpage_image] =>[orig_patent_app_number] => 09649900 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/649900
Output couplers for lasers Aug 27, 2000 Issued
Array ( [id] => 1437863 [patent_doc_number] => 06356571 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-12 [patent_title] => 'Semiconductor laser device and method of manufacture' [patent_app_type] => B1 [patent_app_number] => 09/641003 [patent_app_country] => US [patent_app_date] => 2000-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3893 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/356/06356571.pdf [firstpage_image] =>[orig_patent_app_number] => 09641003 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/641003
Semiconductor laser device and method of manufacture Aug 16, 2000 Issued
Array ( [id] => 1547349 [patent_doc_number] => 06373867 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-16 [patent_title] => 'Generation of a wavelength-tunable laser oscillation in a wave-guiding gain medium based on passive mode lock' [patent_app_type] => B1 [patent_app_number] => 09/575675 [patent_app_country] => US [patent_app_date] => 2000-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 26 [patent_no_of_words] => 7963 [patent_no_of_claims] => 68 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/373/06373867.pdf [firstpage_image] =>[orig_patent_app_number] => 09575675 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/575675
Generation of a wavelength-tunable laser oscillation in a wave-guiding gain medium based on passive mode lock Jun 20, 2000 Issued
Array ( [id] => 4425842 [patent_doc_number] => 06195374 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-27 [patent_title] => 'Semiconductor laser and optical disk device using the laser' [patent_app_type] => 1 [patent_app_number] => 9/546254 [patent_app_country] => US [patent_app_date] => 2000-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 24 [patent_no_of_words] => 9813 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/195/06195374.pdf [firstpage_image] =>[orig_patent_app_number] => 546254 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/546254
Semiconductor laser and optical disk device using the laser Apr 9, 2000 Issued
Array ( [id] => 4420450 [patent_doc_number] => 06301272 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-09 [patent_title] => 'Resonant pumped short cavity fiber laser with optical feedback stabilization' [patent_app_type] => 1 [patent_app_number] => 9/505000 [patent_app_country] => US [patent_app_date] => 2000-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 19 [patent_no_of_words] => 9722 [patent_no_of_claims] => 50 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/301/06301272.pdf [firstpage_image] =>[orig_patent_app_number] => 505000 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/505000
Resonant pumped short cavity fiber laser with optical feedback stabilization Feb 14, 2000 Issued
Array ( [id] => 4318307 [patent_doc_number] => 06188706 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-13 [patent_title] => 'Solid state lasers' [patent_app_type] => 1 [patent_app_number] => 9/492472 [patent_app_country] => US [patent_app_date] => 2000-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2794 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/188/06188706.pdf [firstpage_image] =>[orig_patent_app_number] => 492472 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/492472
Solid state lasers Jan 26, 2000 Issued
Array ( [id] => 1572834 [patent_doc_number] => 06498802 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-24 [patent_title] => 'Organic micro-cavity laser' [patent_app_type] => B1 [patent_app_number] => 09/475118 [patent_app_country] => US [patent_app_date] => 1999-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 2128 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/498/06498802.pdf [firstpage_image] =>[orig_patent_app_number] => 09475118 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/475118
Organic micro-cavity laser Dec 29, 1999 Issued
Array ( [id] => 1555694 [patent_doc_number] => 06400737 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-04 [patent_title] => 'Automatic closed-looped gain adjustment for a temperature tuned, wavelength stabilized laser source in a closed-loop feedback control system' [patent_app_type] => B1 [patent_app_number] => 09/459981 [patent_app_country] => US [patent_app_date] => 1999-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4923 [patent_no_of_claims] => 46 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/400/06400737.pdf [firstpage_image] =>[orig_patent_app_number] => 09459981 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/459981
Automatic closed-looped gain adjustment for a temperature tuned, wavelength stabilized laser source in a closed-loop feedback control system Dec 13, 1999 Issued
Array ( [id] => 1552481 [patent_doc_number] => 06347102 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-02-12 [patent_title] => 'Wavelength conversion laser and a machining device using the same' [patent_app_type] => B1 [patent_app_number] => 09/441554 [patent_app_country] => US [patent_app_date] => 1999-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 11296 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/347/06347102.pdf [firstpage_image] =>[orig_patent_app_number] => 09441554 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/441554
Wavelength conversion laser and a machining device using the same Nov 16, 1999 Issued
Array ( [id] => 4319355 [patent_doc_number] => 06327291 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-04 [patent_title] => 'Fiber stub end-pumped laser' [patent_app_type] => 1 [patent_app_number] => 9/440039 [patent_app_country] => US [patent_app_date] => 1999-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 24 [patent_no_of_words] => 5868 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/327/06327291.pdf [firstpage_image] =>[orig_patent_app_number] => 440039 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/440039
Fiber stub end-pumped laser Nov 11, 1999 Issued
Array ( [id] => 1546043 [patent_doc_number] => 06373563 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-16 [patent_title] => 'Polarization randomized optical source having short coherence length' [patent_app_type] => B1 [patent_app_number] => 09/438441 [patent_app_country] => US [patent_app_date] => 1999-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1917 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/373/06373563.pdf [firstpage_image] =>[orig_patent_app_number] => 09438441 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/438441
Polarization randomized optical source having short coherence length Nov 11, 1999 Issued
Array ( [id] => 1569942 [patent_doc_number] => 06377351 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-23 [patent_title] => 'Fiber laser gyroscope with phase sensitive detection' [patent_app_type] => B1 [patent_app_number] => 09/434170 [patent_app_country] => US [patent_app_date] => 1999-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 3759 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/377/06377351.pdf [firstpage_image] =>[orig_patent_app_number] => 09434170 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/434170
Fiber laser gyroscope with phase sensitive detection Nov 3, 1999 Issued
Array ( [id] => 1499581 [patent_doc_number] => 06404797 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-11 [patent_title] => 'Efficiency high power laser device' [patent_app_type] => B1 [patent_app_number] => 09/409603 [patent_app_country] => US [patent_app_date] => 1999-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7866 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/404/06404797.pdf [firstpage_image] =>[orig_patent_app_number] => 09409603 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/409603
Efficiency high power laser device Sep 29, 1999 Issued
Array ( [id] => 1570670 [patent_doc_number] => 06377597 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-23 [patent_title] => 'Gallium nitride semiconductor light emitting element with active layer having multiplex quantum well structure and semiconductor laser light source device' [patent_app_type] => B1 [patent_app_number] => 09/380537 [patent_app_country] => US [patent_app_date] => 1999-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 21 [patent_no_of_words] => 11821 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/377/06377597.pdf [firstpage_image] =>[orig_patent_app_number] => 09380537 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/380537
Gallium nitride semiconductor light emitting element with active layer having multiplex quantum well structure and semiconductor laser light source device Sep 1, 1999 Issued
Array ( [id] => 4395042 [patent_doc_number] => 06295308 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-25 [patent_title] => 'Wavelength-locked external cavity lasers with an integrated modulator' [patent_app_type] => 1 [patent_app_number] => 9/386621 [patent_app_country] => US [patent_app_date] => 1999-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 3371 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/295/06295308.pdf [firstpage_image] =>[orig_patent_app_number] => 386621 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/386621
Wavelength-locked external cavity lasers with an integrated modulator Aug 30, 1999 Issued
Array ( [id] => 1555699 [patent_doc_number] => 06400739 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-04 [patent_title] => 'Wavelength-stabilized laser configuration' [patent_app_type] => B1 [patent_app_number] => 09/338474 [patent_app_country] => US [patent_app_date] => 1999-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 4898 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/400/06400739.pdf [firstpage_image] =>[orig_patent_app_number] => 09338474 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/338474
Wavelength-stabilized laser configuration Jun 21, 1999 Issued
Array ( [id] => 4319182 [patent_doc_number] => 06327278 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-04 [patent_title] => 'Diode laser pumped multimode waveguide laser, particularly fiber laser' [patent_app_type] => 1 [patent_app_number] => 9/254411 [patent_app_country] => US [patent_app_date] => 1999-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3360 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/327/06327278.pdf [firstpage_image] =>[orig_patent_app_number] => 254411 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/254411
Diode laser pumped multimode waveguide laser, particularly fiber laser Jun 9, 1999 Issued
Array ( [id] => 4171505 [patent_doc_number] => 06104734 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-15 [patent_title] => 'Solid state laser apparatus' [patent_app_type] => 1 [patent_app_number] => 9/326979 [patent_app_country] => US [patent_app_date] => 1999-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2205 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/104/06104734.pdf [firstpage_image] =>[orig_patent_app_number] => 326979 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/326979
Solid state laser apparatus Jun 2, 1999 Issued
Array ( [id] => 4368336 [patent_doc_number] => 06292498 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-18 [patent_title] => 'Method of controlling diode-laser wavelength in a diode-laser pumped solid-state laser' [patent_app_type] => 1 [patent_app_number] => 9/316617 [patent_app_country] => US [patent_app_date] => 1999-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4205 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/292/06292498.pdf [firstpage_image] =>[orig_patent_app_number] => 316617 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/316617
Method of controlling diode-laser wavelength in a diode-laser pumped solid-state laser May 20, 1999 Issued
Menu