David Friedman

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Framingham, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for displaying objects on an interlaced raster...
- Patent number 4,506,298
- Issue date Mar 19, 1985
- Computervision Corporation
- Barry N. Mansell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for controlling stepper motors
- Patent number 4,446,412
- Issue date May 1, 1984
- Computervision Corporation
- David Friedman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for damping stepper motors
- Patent number 4,091,316
- Issue date May 23, 1978
- The Computervision Corporation
- David Friedman
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Automatic wafer loading and pre-alignment system
- Patent number 3,972,424
- Issue date Aug 3, 1976
- The Computervision Corporation
- Kenneth Levy
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL