Search

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 numberTitle of the applicationFiling DateStatus
07/519343 COLOR-CORRECTED OPTICAL SYSTEMS AND METHOD OF SELECTING OPTICAL MATERIALS THEREFOR Apr 15, 1990 Abandoned
Array ( [id] => 2689166 [patent_doc_number] => 04988181 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-29 [patent_title] => 'Ornamental device for eyeglasses' [patent_app_type] => 1 [patent_app_number] => 7/509356 [patent_app_country] => US [patent_app_date] => 1990-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 1645 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/988/04988181.pdf [firstpage_image] =>[orig_patent_app_number] => 509356 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/509356
Ornamental device for eyeglasses Apr 15, 1990 Issued
Array ( [id] => 2798714 [patent_doc_number] => 05136429 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-04 [patent_title] => 'Modular illumination equipment' [patent_app_type] => 1 [patent_app_number] => 7/508152 [patent_app_country] => US [patent_app_date] => 1990-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1909 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/136/05136429.pdf [firstpage_image] =>[orig_patent_app_number] => 508152 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/508152
Modular illumination equipment Apr 10, 1990 Issued
Array ( [id] => 2861317 [patent_doc_number] => 05090799 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-25 [patent_title] => 'Ophthalmological measurement method and apparatus' [patent_app_type] => 1 [patent_app_number] => 7/507390 [patent_app_country] => US [patent_app_date] => 1990-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 26 [patent_no_of_words] => 7052 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/090/05090799.pdf [firstpage_image] =>[orig_patent_app_number] => 507390 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/507390
Ophthalmological measurement method and apparatus Apr 8, 1990 Issued
Array ( [id] => 2916872 [patent_doc_number] => 05216546 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-01 [patent_title] => 'Attachment lens system for close-up photography' [patent_app_type] => 1 [patent_app_number] => 7/505640 [patent_app_country] => US [patent_app_date] => 1990-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 25 [patent_no_of_words] => 3528 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 293 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/216/05216546.pdf [firstpage_image] =>[orig_patent_app_number] => 505640 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/505640
Attachment lens system for close-up photography Apr 5, 1990 Issued
Array ( [id] => 2675983 [patent_doc_number] => 05048947 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-17 [patent_title] => 'Process for measuring eye movement' [patent_app_type] => 1 [patent_app_number] => 7/502450 [patent_app_country] => US [patent_app_date] => 1990-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2375 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/048/05048947.pdf [firstpage_image] =>[orig_patent_app_number] => 502450 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/502450
Process for measuring eye movement Mar 29, 1990 Issued
Array ( [id] => 2696487 [patent_doc_number] => 04991951 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-12 [patent_title] => 'Eyeglass frame for electrooptical lenses' [patent_app_type] => 1 [patent_app_number] => 7/501026 [patent_app_country] => US [patent_app_date] => 1990-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1480 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/991/04991951.pdf [firstpage_image] =>[orig_patent_app_number] => 501026 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/501026
Eyeglass frame for electrooptical lenses Mar 28, 1990 Issued
Array ( [id] => 2733910 [patent_doc_number] => 05028126 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-02 [patent_title] => 'Foldable spectacle frame' [patent_app_type] => 1 [patent_app_number] => 7/501035 [patent_app_country] => US [patent_app_date] => 1990-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 1320 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 311 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/028/05028126.pdf [firstpage_image] =>[orig_patent_app_number] => 501035 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/501035
Foldable spectacle frame Mar 28, 1990 Issued
Array ( [id] => 2757279 [patent_doc_number] => 05035500 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-30 [patent_title] => 'Automated ocular perimetry, particularly kinetic perimetry' [patent_app_type] => 1 [patent_app_number] => 7/503116 [patent_app_country] => US [patent_app_date] => 1990-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 27 [patent_no_of_words] => 23180 [patent_no_of_claims] => 61 [patent_no_of_ind_claims] => 31 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/035/05035500.pdf [firstpage_image] =>[orig_patent_app_number] => 503116 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/503116
Automated ocular perimetry, particularly kinetic perimetry Mar 25, 1990 Issued
07/499096 LENS SYSTEM FOR A COPYING MACHINE Mar 25, 1990 Abandoned
Array ( [id] => 2714245 [patent_doc_number] => 05024518 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-18 [patent_title] => 'Ophthalmic contact lens with internal fixation light for examination of the optic nerve' [patent_app_type] => 1 [patent_app_number] => 7/497596 [patent_app_country] => US [patent_app_date] => 1990-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1757 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/024/05024518.pdf [firstpage_image] =>[orig_patent_app_number] => 497596 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/497596
Ophthalmic contact lens with internal fixation light for examination of the optic nerve Mar 21, 1990 Issued
Array ( [id] => 2870116 [patent_doc_number] => 05184880 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-09 [patent_title] => 'Anamorphic attachment for purpose of filming and reproduction to be used together with a basic lens' [patent_app_type] => 1 [patent_app_number] => 7/497177 [patent_app_country] => US [patent_app_date] => 1990-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 36 [patent_no_of_words] => 6337 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/184/05184880.pdf [firstpage_image] =>[orig_patent_app_number] => 497177 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/497177
Anamorphic attachment for purpose of filming and reproduction to be used together with a basic lens Mar 21, 1990 Issued
Array ( [id] => 2702893 [patent_doc_number] => 05009498 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-23 [patent_title] => 'Interchangeable keratoscope device' [patent_app_type] => 1 [patent_app_number] => 7/496016 [patent_app_country] => US [patent_app_date] => 1990-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2463 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/009/05009498.pdf [firstpage_image] =>[orig_patent_app_number] => 496016 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/496016
Interchangeable keratoscope device Mar 19, 1990 Issued
Array ( [id] => 2814338 [patent_doc_number] => 05094524 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-10 [patent_title] => 'Method of visual testing and related product' [patent_app_type] => 1 [patent_app_number] => 7/495325 [patent_app_country] => US [patent_app_date] => 1990-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 18 [patent_no_of_words] => 4086 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/094/05094524.pdf [firstpage_image] =>[orig_patent_app_number] => 495325 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/495325
Method of visual testing and related product Mar 18, 1990 Issued
Array ( [id] => 2757474 [patent_doc_number] => 05062702 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-05 [patent_title] => 'Device for mapping corneal topography' [patent_app_type] => 1 [patent_app_number] => 7/494683 [patent_app_country] => US [patent_app_date] => 1990-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 4335 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/062/05062702.pdf [firstpage_image] =>[orig_patent_app_number] => 494683 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/494683
Device for mapping corneal topography Mar 15, 1990 Issued
Array ( [id] => 2773196 [patent_doc_number] => 05092669 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-03 [patent_title] => 'Optical device and method for using same' [patent_app_type] => 1 [patent_app_number] => 7/494575 [patent_app_country] => US [patent_app_date] => 1990-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 4652 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/092/05092669.pdf [firstpage_image] =>[orig_patent_app_number] => 494575 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/494575
Optical device and method for using same Mar 15, 1990 Issued
Array ( [id] => 2805330 [patent_doc_number] => 05080473 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-14 [patent_title] => 'Vari-focal lens system' [patent_app_type] => 1 [patent_app_number] => 7/493346 [patent_app_country] => US [patent_app_date] => 1990-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4283 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/080/05080473.pdf [firstpage_image] =>[orig_patent_app_number] => 493346 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/493346
Vari-focal lens system Mar 13, 1990 Issued
Array ( [id] => 2680701 [patent_doc_number] => 05018850 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-28 [patent_title] => 'Illuminated ring device' [patent_app_type] => 1 [patent_app_number] => 7/492939 [patent_app_country] => US [patent_app_date] => 1990-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2167 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/018/05018850.pdf [firstpage_image] =>[orig_patent_app_number] => 492939 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/492939
Illuminated ring device Mar 12, 1990 Issued
Array ( [id] => 2738731 [patent_doc_number] => 05020888 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-04 [patent_title] => 'Aspherical glass lens element suitable for a collimator lens' [patent_app_type] => 1 [patent_app_number] => 7/491262 [patent_app_country] => US [patent_app_date] => 1990-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 28 [patent_no_of_words] => 3580 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 601 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/020/05020888.pdf [firstpage_image] =>[orig_patent_app_number] => 491262 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/491262
Aspherical glass lens element suitable for a collimator lens Mar 8, 1990 Issued
Array ( [id] => 2823974 [patent_doc_number] => 05120122 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-09 [patent_title] => 'Simultaneous stereo fundus camera' [patent_app_type] => 1 [patent_app_number] => 7/490305 [patent_app_country] => US [patent_app_date] => 1990-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3814 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/120/05120122.pdf [firstpage_image] =>[orig_patent_app_number] => 490305 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/490305
Simultaneous stereo fundus camera Mar 7, 1990 Issued
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