David B. Engel

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Rochester, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiactive electrophotographic elements containing electron transp...
- Patent number 5,272,032
- Issue date Dec 21, 1993
- Eastman Kodak Company
- J. Robin Cowdery
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY