Dave Dauterman

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Bothell, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Token having predetermined optical characteristics and a token vali...
- Patent number 6,112,876
- Issue date Sep 5, 2000
- IDX, Inc.
- Scott Juds
- G07 - CHECKING-DEVICES
Information Patent Grant
Token having predetermined optical characteristics and a token vali...
- Patent number 6,021,882
- Issue date Feb 8, 2000
- IDX, Inc.
- Scott Juds
- G07 - CHECKING-DEVICES