
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] => 2864382
[patent_doc_number] => 05084784
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-01-28
[patent_title] => 'Copying lens system'
[patent_app_type] => 1
[patent_app_number] => 7/551357
[patent_app_country] => US
[patent_app_date] => 1990-07-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 20
[patent_no_of_words] => 2139
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 134
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/084/05084784.pdf
[firstpage_image] =>[orig_patent_app_number] => 551357
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/551357 | Copying lens system | Jul 11, 1990 | Issued |
Array
(
[id] => 2670521
[patent_doc_number] => 05066117
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-11-19
[patent_title] => 'Perimeter'
[patent_app_type] => 1
[patent_app_number] => 7/550201
[patent_app_country] => US
[patent_app_date] => 1990-07-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 17
[patent_no_of_words] => 4454
[patent_no_of_claims] => 31
[patent_no_of_ind_claims] => 11
[patent_words_short_claim] => 163
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/066/05066117.pdf
[firstpage_image] =>[orig_patent_app_number] => 550201
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/550201 | Perimeter | Jul 9, 1990 | Issued |
Array
(
[id] => 2867095
[patent_doc_number] => 05118178
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-06-02
[patent_title] => 'Corrective lenses'
[patent_app_type] => 1
[patent_app_number] => 7/550126
[patent_app_country] => US
[patent_app_date] => 1990-07-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 6
[patent_no_of_words] => 2859
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 189
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/118/05118178.pdf
[firstpage_image] =>[orig_patent_app_number] => 550126
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/550126 | Corrective lenses | Jul 8, 1990 | Issued |
| 07/545496 | APPARATUS FOR DETERMINING THE CONTOUR OF THE CORNEA OF A HUMAN EYE | Jun 28, 1990 | Abandoned |
Array
(
[id] => 2840032
[patent_doc_number] => 05125730
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-06-30
[patent_title] => 'Portable dynamic fundus instrument'
[patent_app_type] => 1
[patent_app_number] => 7/562095
[patent_app_country] => US
[patent_app_date] => 1990-06-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 6
[patent_no_of_words] => 4722
[patent_no_of_claims] => 2
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 206
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/125/05125730.pdf
[firstpage_image] =>[orig_patent_app_number] => 562095
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/562095 | Portable dynamic fundus instrument | Jun 28, 1990 | Issued |
Array
(
[id] => 2799602
[patent_doc_number] => 05078484
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-01-07
[patent_title] => 'Lapel pin eyeglass and pillbox organization'
[patent_app_type] => 1
[patent_app_number] => 7/541316
[patent_app_country] => US
[patent_app_date] => 1990-06-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 7
[patent_no_of_words] => 1988
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 136
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/078/05078484.pdf
[firstpage_image] =>[orig_patent_app_number] => 541316
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/541316 | Lapel pin eyeglass and pillbox organization | Jun 20, 1990 | Issued |
Array
(
[id] => 2773177
[patent_doc_number] => 05092668
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-03-03
[patent_title] => 'Eyeglass cord retainer apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/541315
[patent_app_country] => US
[patent_app_date] => 1990-06-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 10
[patent_no_of_words] => 2059
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 218
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/092/05092668.pdf
[firstpage_image] =>[orig_patent_app_number] => 541315
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/541315 | Eyeglass cord retainer apparatus | Jun 20, 1990 | Issued |
Array
(
[id] => 2697629
[patent_doc_number] => 05040888
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-08-20
[patent_title] => 'Hologram system which helps reduce eye strain'
[patent_app_type] => 1
[patent_app_number] => 7/537110
[patent_app_country] => US
[patent_app_date] => 1990-06-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 5
[patent_no_of_words] => 2747
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 95
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/040/05040888.pdf
[firstpage_image] =>[orig_patent_app_number] => 537110
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/537110 | Hologram system which helps reduce eye strain | Jun 12, 1990 | Issued |
Array
(
[id] => 2772423
[patent_doc_number] => 05087118
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-02-11
[patent_title] => 'Article holder'
[patent_app_type] => 1
[patent_app_number] => 7/535658
[patent_app_country] => US
[patent_app_date] => 1990-06-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 13
[patent_no_of_words] => 3998
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 209
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/087/05087118.pdf
[firstpage_image] =>[orig_patent_app_number] => 535658
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/535658 | Article holder | Jun 10, 1990 | Issued |
Array
(
[id] => 2760353
[patent_doc_number] => 04984877
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-01-15
[patent_title] => 'High zoom-ratio/zoom lens system for use in a compact camera'
[patent_app_type] => 1
[patent_app_number] => 7/535234
[patent_app_country] => US
[patent_app_date] => 1990-06-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 18
[patent_no_of_words] => 3299
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 56
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/984/04984877.pdf
[firstpage_image] =>[orig_patent_app_number] => 535234
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/535234 | High zoom-ratio/zoom lens system for use in a compact camera | Jun 7, 1990 | Issued |
Array
(
[id] => 2712672
[patent_doc_number] => 05056906
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-10-15
[patent_title] => 'Prescription lens attachment for sunglasses'
[patent_app_type] => 1
[patent_app_number] => 7/527835
[patent_app_country] => US
[patent_app_date] => 1990-05-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 1697
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 117
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/056/05056906.pdf
[firstpage_image] =>[orig_patent_app_number] => 527835
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/527835 | Prescription lens attachment for sunglasses | May 23, 1990 | Issued |
Array
(
[id] => 2736540
[patent_doc_number] => 05037193
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-08-06
[patent_title] => 'Bifocal segment demonstration and measuring apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/522665
[patent_app_country] => US
[patent_app_date] => 1990-05-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 5
[patent_no_of_words] => 2355
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 104
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/037/05037193.pdf
[firstpage_image] =>[orig_patent_app_number] => 522665
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/522665 | Bifocal segment demonstration and measuring apparatus | May 10, 1990 | Issued |
Array
(
[id] => 2814319
[patent_doc_number] => 05094523
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-03-10
[patent_title] => 'Bidirectional light steering apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/522376
[patent_app_country] => US
[patent_app_date] => 1990-05-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 9
[patent_no_of_words] => 4464
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 12
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/094/05094523.pdf
[firstpage_image] =>[orig_patent_app_number] => 522376
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/522376 | Bidirectional light steering apparatus | May 10, 1990 | Issued |
Array
(
[id] => 2812324
[patent_doc_number] => 05116115
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-05-26
[patent_title] => 'Method and apparatus for measuring corneal topography'
[patent_app_type] => 1
[patent_app_number] => 7/521487
[patent_app_country] => US
[patent_app_date] => 1990-05-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 9
[patent_no_of_words] => 4756
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 90
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/116/05116115.pdf
[firstpage_image] =>[orig_patent_app_number] => 521487
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/521487 | Method and apparatus for measuring corneal topography | May 8, 1990 | Issued |
| 07/518184 | LENS SYSTEM FOR DIVER'S MASK | May 2, 1990 | Abandoned |
Array
(
[id] => 2735686
[patent_doc_number] => 05015087
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-05-14
[patent_title] => 'Pince-Nez eyeglasses'
[patent_app_type] => 1
[patent_app_number] => 7/516515
[patent_app_country] => US
[patent_app_date] => 1990-04-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 3
[patent_no_of_words] => 1517
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 141
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/015/05015087.pdf
[firstpage_image] =>[orig_patent_app_number] => 516515
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/516515 | Pince-Nez eyeglasses | Apr 29, 1990 | Issued |
Array
(
[id] => 2867116
[patent_doc_number] => 05118179
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-06-02
[patent_title] => 'Opthalmological photographing instrument'
[patent_app_type] => 1
[patent_app_number] => 7/514020
[patent_app_country] => US
[patent_app_date] => 1990-04-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 6
[patent_no_of_words] => 5076
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 98
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/118/05118179.pdf
[firstpage_image] =>[orig_patent_app_number] => 514020
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/514020 | Opthalmological photographing instrument | Apr 25, 1990 | Issued |
Array
(
[id] => 2659402
[patent_doc_number] => 05033840
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-07-23
[patent_title] => 'Interpupillary distance measuring device with no moving parts'
[patent_app_type] => 1
[patent_app_number] => 7/512400
[patent_app_country] => US
[patent_app_date] => 1990-04-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 6
[patent_no_of_words] => 5461
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 286
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/033/05033840.pdf
[firstpage_image] =>[orig_patent_app_number] => 512400
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/512400 | Interpupillary distance measuring device with no moving parts | Apr 22, 1990 | Issued |
Array
(
[id] => 2813264
[patent_doc_number] => 05157427
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-10-20
[patent_title] => 'Objective refractor'
[patent_app_type] => 1
[patent_app_number] => 7/510348
[patent_app_country] => US
[patent_app_date] => 1990-04-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 15
[patent_figures_cnt] => 35
[patent_no_of_words] => 19457
[patent_no_of_claims] => 29
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 221
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/157/05157427.pdf
[firstpage_image] =>[orig_patent_app_number] => 510348
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/510348 | Objective refractor | Apr 15, 1990 | Issued |
| 07/519343 | COLOR-CORRECTED OPTICAL SYSTEMS AND METHOD OF SELECTING OPTICAL MATERIALS THEREFOR | Apr 15, 1990 | Abandoned |