Kenneth G. Berquist

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Andover, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for embedding non-intrusive encoded data in printed matter
- Patent number 6,354,630
- Issue date Mar 12, 2002
- Inspectron Corporation
- Xintong Zhang
- G07 - CHECKING-DEVICES
Information Patent Grant
Method for embedding non-intrusive encoded data in printed matter a...
- Patent number 6,325,420
- Issue date Dec 4, 2001
- Inspectron Corporation
- Xintong Zhang
- G07 - CHECKING-DEVICES