Mark J. Sandford

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Manassas, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
System, method and medium for increasing compression of an image wh...
- Patent number 6,389,176
- Issue date May 14, 2002
- Trident Systems, Inc.
- Charles C. Hsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Retrofitting digital video surveillance system
- Patent number 5,237,408
- Issue date Aug 17, 1993
- Presearch Incorporated
- Jeffrey D. Blum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE