John C. Ostrowski

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Maynard, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Electronic still camera having mechanically adjustable CCD to effec...
- Patent number 5,969,760
- Issue date Oct 19, 1999
- Polaroid Corporation
- Paul W. Ernest
- G02 - OPTICS
Information Patent Grant
Microscope camera
- Patent number 5,315,344
- Issue date May 24, 1994
- Polaroid Corporation
- Peter P. Clark
- G02 - OPTICS
Information Patent Grant
Auto/manual focus control inhibit/override
- Patent number 4,319,820
- Issue date Mar 16, 1982
- Polaroid Corporation
- John C. Ostrowski
- G02 - OPTICS
Information Patent Grant
Exposure and flash fire control system
- Patent number 4,299,461
- Issue date Nov 10, 1981
- Polaroid Corporation
- Richard J. Coppa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Ranging and lens focusing module for foldable cameras
- Patent number 4,156,567
- Issue date May 29, 1979
- Polaroid Corporation
- John C. Ostrowski
- G02 - OPTICS
Information Patent Grant
Misfocus prevention means for cameras having unidirectional automat...
- Patent number 4,149,792
- Issue date Apr 17, 1979
- Polaroid Corporation
- Richard J. Fraser
- G02 - OPTICS