Inventor
Vivian K. Walworth
Inventor
Concord, MA, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Cprimary
G03CPhotosensitive materials for photographic purposes55%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
G02BOptical elements, systems or apparatus10%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them10%
PatentTitleYear
4,663,274'Method for forming a photosensitive silver halide element'19874,359,526'Method for forming a photosensitive silver halide element'19824,353,977'Method for forming a photosensitive silver halide element'19824,352,874'Method for forming a photosensitive silver halide element'19824,340,666'Method for making photosensitive silver halide emulsion layers'19824,165,986'Substituted-halide silver halide emulsions and products containing same'19794,153,462'Method of making silver halide emulsions'19794,102,759'Method of electrolytically forming silver halide grains utilizing a novel anode'19784,102,758'Method of electrolytically forming silver halide grains utilizing a novel cathode'19784,060,419'Method of forming silver halide grains by electrolysis'19774,021,825'Adapter for operatively coupling an automated camera to an optical instrument'19773,976,368'Special optical element for camera to microscope adaptor'19763,941,600'Method of forming a photographic emulsion layer'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1987Patents assigned to POLAROID CORP (13)· patent assignee history
1976–1987Based in Concord, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| POLAROID CORP | 13 | 1976–1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Concord, Massachusetts, US | 13 | 1976–1987 |