Bill Perlman

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New York, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Naturalistic illumination system
- Patent number 5,343,121
- Issue date Aug 30, 1994
- Michael Terman
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Anti-copying video signal processing
- Patent number 5,034,981
- Issue date Jul 23, 1991
- Eidak Corporation
- Eugene Leonard
- G11 - INFORMATION STORAGE
Information Patent Grant
Modifying a television signal to inhibit recording/reproduction
- Patent number 4,914,694
- Issue date Apr 3, 1990
- Eidak Corporation
- Eugene Leonard
- G11 - INFORMATION STORAGE
Information Patent Grant
Reliable secure, updatable "cash" card system
- Patent number 4,752,676
- Issue date Jun 21, 1988
- Common Bond Associates
- Eugene Leonard
- G06 - COMPUTING CALCULATING COUNTING