Donald S. Levinstone

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Cambridge, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for electronic image enhancement by dynamic pixel...
- Patent number 4,829,381
- Issue date May 9, 1989
- Polaroid Corporation
- Woo-Jin Song
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Focusing system for camera apparatus
- Patent number 4,752,831
- Issue date Jun 21, 1988
- Polaroid Corporation
- Conrad H. Biber
- G02 - OPTICS
Information Patent Grant
Exposure control system for an electronic imaging camera having inc...
- Patent number 4,647,975
- Issue date Mar 3, 1987
- Polaroid Corporation
- Lawrence E. Alston
- H04 - ELECTRIC COMMUNICATION TECHNIQUE