Eugene Leonard

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Sands Point, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Horizontal pulse augmentation of a video signal
- Patent number 5,394,470
- Issue date Feb 28, 1995
- Eidak Corporation
- William J. Buynak
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Encoding an optical video disc to inhibit video tape recording
- Patent number 5,003,590
- Issue date Mar 26, 1991
- Eidak Corporation
- Bernard J. Lechner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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