Joel R. Finkel

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Woodland Hills, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for the prevention of unauthorized copying of...
- Patent number 4,738,901
- Issue date Apr 19, 1988
- Xerox Corporation
- Joel R. Finkel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for the prevention of unauthorized copying of...
- Patent number 4,678,322
- Issue date Jul 7, 1987
- Xerox Corporation
- Joel R. Finkel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Secure identification card manufacture
- Patent number 4,671,839
- Issue date Jun 9, 1987
- Xerox Corporation
- Joel R. Finkel
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER