
Derrick W. Ferris
Supervisory Patent Examiner (ID: 15335, Phone: (571)272-3123 , Office: P/2478 )
| Most Active Art Unit | 2663 |
| Art Unit(s) | 2663, 2411, 2616, 2463, 2400, OPT, 2478 |
| Total Applications | 417 |
| Issued Applications | 284 |
| Pending Applications | 43 |
| Abandoned Applications | 91 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 2467162
[patent_doc_number] => 04812022
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-03-14
[patent_title] => 'Zoom lens'
[patent_app_type] => 1
[patent_app_number] => 7/212297
[patent_app_country] => US
[patent_app_date] => 1988-06-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 12
[patent_no_of_words] => 1950
[patent_no_of_claims] => 1
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 240
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/812/04812022.pdf
[firstpage_image] =>[orig_patent_app_number] => 212297
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/212297 | Zoom lens | Jun 26, 1988 | Issued |
| 07/207464 | PORTABLE SCREEN ASSEMBLY FOR VISUAL ACUITY TESTING | Jun 15, 1988 | Abandoned |
Array
(
[id] => 2656547
[patent_doc_number] => 04904078
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-02-27
[patent_title] => 'Eyeglass frame with electroacoustic device for the enhancement of sound intelligibility'
[patent_app_type] => 1
[patent_app_number] => 7/207272
[patent_app_country] => US
[patent_app_date] => 1988-06-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 10
[patent_no_of_words] => 3117
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 246
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/904/04904078.pdf
[firstpage_image] =>[orig_patent_app_number] => 207272
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/207272 | Eyeglass frame with electroacoustic device for the enhancement of sound intelligibility | Jun 14, 1988 | Issued |
Array
(
[id] => 2755663
[patent_doc_number] => 05005966
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-04-09
[patent_title] => 'Exophthalmometer light, and methods of constructing and utilizing same'
[patent_app_type] => 1
[patent_app_number] => 7/201537
[patent_app_country] => US
[patent_app_date] => 1988-06-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 2
[patent_no_of_words] => 1934
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 103
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/005/05005966.pdf
[firstpage_image] =>[orig_patent_app_number] => 201537
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/201537 | Exophthalmometer light, and methods of constructing and utilizing same | Jun 1, 1988 | Issued |
Array
(
[id] => 2504506
[patent_doc_number] => 04854691
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-08-08
[patent_title] => 'Laser beam scanning type eye fundus camera'
[patent_app_type] => 1
[patent_app_number] => 7/199716
[patent_app_country] => US
[patent_app_date] => 1988-05-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 8
[patent_no_of_words] => 4926
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 168
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/854/04854691.pdf
[firstpage_image] =>[orig_patent_app_number] => 199716
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/199716 | Laser beam scanning type eye fundus camera | May 26, 1988 | Issued |
Array
(
[id] => 2603445
[patent_doc_number] => 04924245
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-05-08
[patent_title] => 'Resilient nose pad for spectacles'
[patent_app_type] => 1
[patent_app_number] => 7/199316
[patent_app_country] => US
[patent_app_date] => 1988-05-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 12
[patent_no_of_words] => 5540
[patent_no_of_claims] => 23
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 232
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/924/04924245.pdf
[firstpage_image] =>[orig_patent_app_number] => 199316
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/199316 | Resilient nose pad for spectacles | May 25, 1988 | Issued |
| 07/198660 | ADJUSTABLE SPECTACLE FRAME | May 22, 1988 | Abandoned |
Array
(
[id] => 2580680
[patent_doc_number] => 04917486
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-04-17
[patent_title] => 'Photocoagulation apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/196320
[patent_app_country] => US
[patent_app_date] => 1988-05-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 12
[patent_no_of_words] => 6973
[patent_no_of_claims] => 26
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 168
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/917/04917486.pdf
[firstpage_image] =>[orig_patent_app_number] => 196320
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/196320 | Photocoagulation apparatus | May 19, 1988 | Issued |
| 07/196006 | OPHTHALMIC DISEASE DETECTION APPARATUS | May 18, 1988 | Abandoned |
Array
(
[id] => 2584939
[patent_doc_number] => 04923283
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-05-08
[patent_title] => 'Electroscopic fluid display'
[patent_app_type] => 1
[patent_app_number] => 7/191298
[patent_app_country] => US
[patent_app_date] => 1988-05-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 9
[patent_no_of_words] => 5034
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 229
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/923/04923283.pdf
[firstpage_image] =>[orig_patent_app_number] => 191298
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/191298 | Electroscopic fluid display | May 5, 1988 | Issued |
Array
(
[id] => 2506719
[patent_doc_number] => 04874237
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-10-17
[patent_title] => 'Electroretinogram apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/190755
[patent_app_country] => US
[patent_app_date] => 1988-05-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 10
[patent_no_of_words] => 2183
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 87
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/874/04874237.pdf
[firstpage_image] =>[orig_patent_app_number] => 190755
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/190755 | Electroretinogram apparatus | May 4, 1988 | Issued |
Array
(
[id] => 2514638
[patent_doc_number] => 04861155
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-08-29
[patent_title] => 'Method and apparatus for measuring curvature of the cornea'
[patent_app_type] => 1
[patent_app_number] => 7/188709
[patent_app_country] => US
[patent_app_date] => 1988-05-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 7
[patent_no_of_words] => 3510
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 107
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/861/04861155.pdf
[firstpage_image] =>[orig_patent_app_number] => 188709
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/188709 | Method and apparatus for measuring curvature of the cornea | May 3, 1988 | Issued |
| 07/191734 | PERIMETER | May 1, 1988 | Abandoned |
Array
(
[id] => 2513808
[patent_doc_number] => 04880293
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-11-14
[patent_title] => 'Optic fiber shutter apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/186188
[patent_app_country] => US
[patent_app_date] => 1988-04-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 8
[patent_no_of_words] => 7192
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 224
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/880/04880293.pdf
[firstpage_image] =>[orig_patent_app_number] => 186188
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/186188 | Optic fiber shutter apparatus | Apr 25, 1988 | Issued |
Array
(
[id] => 2695124
[patent_doc_number] => 05000548
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-03-19
[patent_title] => 'Microscope objective'
[patent_app_type] => 1
[patent_app_number] => 7/185597
[patent_app_country] => US
[patent_app_date] => 1988-04-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 8
[patent_no_of_words] => 2100
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 48
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/000/05000548.pdf
[firstpage_image] =>[orig_patent_app_number] => 185597
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/185597 | Microscope objective | Apr 24, 1988 | Issued |
| 07/184194 | APPLIED INTENSITY DISTRIBUTION CONTROLLING APPARATUS | Apr 20, 1988 | Abandoned |
Array
(
[id] => 2478329
[patent_doc_number] => 04799767
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-01-24
[patent_title] => 'High speed shutter for a laser beam'
[patent_app_type] => 1
[patent_app_number] => 7/177952
[patent_app_country] => US
[patent_app_date] => 1988-04-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 11
[patent_no_of_words] => 2715
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 111
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/799/04799767.pdf
[firstpage_image] =>[orig_patent_app_number] => 177952
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/177952 | High speed shutter for a laser beam | Apr 4, 1988 | Issued |
Array
(
[id] => 2498448
[patent_doc_number] => 04830480
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-05-16
[patent_title] => 'Tint display device'
[patent_app_type] => 1
[patent_app_number] => 7/174727
[patent_app_country] => US
[patent_app_date] => 1988-03-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 4
[patent_no_of_words] => 1209
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 67
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/830/04830480.pdf
[firstpage_image] =>[orig_patent_app_number] => 174727
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/174727 | Tint display device | Mar 28, 1988 | Issued |
Array
(
[id] => 2516461
[patent_doc_number] => 04838682
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-06-13
[patent_title] => 'Ocular topology system'
[patent_app_type] => 1
[patent_app_number] => 7/172948
[patent_app_country] => US
[patent_app_date] => 1988-03-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 9
[patent_no_of_words] => 2015
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 102
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/838/04838682.pdf
[firstpage_image] =>[orig_patent_app_number] => 172948
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/172948 | Ocular topology system | Mar 22, 1988 | Issued |
| 07/171985 | OPTHALMOSCOPE | Mar 22, 1988 | Abandoned |