Inventor
John C. Ostrowski
Inventor
Maynard, MA, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus56%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them22%
H04NPictorial communication, e.g. television11%
LOCD111%
PatentTitleYear
5,969,760'Electronic still camera having mechanically adjustable CCD to effect focus'19995,315,344'Microscope camera'19944,319,820'Auto/manual focus control inhibit/override'19824,299,461'Exposure and flash fire control system'1981D0257849'Folding photographic camera or similar article'19814,156,567'Ranging and lens focusing module for foldable cameras'19794,149,792'Misfocus prevention means for cameras having unidirectional automatic focusing'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1999Patents assigned to POLAROID CORP (7)· patent assignee history
1979–1999Based in Maynard, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| POLAROID CORP | 7 | 1979–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Maynard, Massachusetts, US | 7 | 1979–1999 |