David W. Walters

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Williamson, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic carrier powder coated by resin dry-mixing process
- Patent number 4,233,387
- Issue date Nov 11, 1980
- Xerox Corporation
- Joseph Mammino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY