Jamie L. Barbetti

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Milford, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Digitizer tablet with split-current conductor array
- Patent number 4,996,393
- Issue date Feb 26, 1991
- Summagraphics Corporation
- Thomas C. Zalenski
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for calibration of a charge ratio digitizer
- Patent number 4,831,566
- Issue date May 16, 1989
- Summagraphics Corporation
- Henry G. Matthews
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Menu for a charge ratio digitizer
- Patent number 4,788,386
- Issue date Nov 29, 1988
- Summagraphics Corporation
- Henry G. Matthews
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Position coordinate determination device with diagonal delay line
- Patent number 4,734,870
- Issue date Mar 29, 1988
- Edward J. Snyder
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Two-dimensional position coordinate determination device with U-sha...
- Patent number 4,689,448
- Issue date Aug 25, 1987
- Summagraphics Corporation
- Edward J. Snyder
- G06 - COMPUTING CALCULATING COUNTING