Thomas C. Prentice

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West Newton, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Digitizing tablet system
- Patent number 4,644,102
- Issue date Feb 17, 1987
- Pencept, Inc.
- Barry A. Blesser
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Position indicating apparatus for use in a digitizing tablet system
- Patent number 4,638,119
- Issue date Jan 20, 1987
- Pencept, Inc.
- Barry A. Blesser
- G06 - COMPUTING CALCULATING COUNTING