Bradley W. Walton

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Game ticket confusion patterns
- Patent number 5,667,250
- Issue date Sep 16, 1997
- William F. Behm
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Information bearing article with tamper resistant scratch-off opaqu...
- Patent number 4,726,608
- Issue date Feb 23, 1988
- Scientific Games of California, Inc.
- Bradley W. Walton
- G07 - CHECKING-DEVICES