Joseph R. Fisher

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Sudbury, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Triboelectric sensor and methods for manufacturing
- Patent number 6,367,332
- Issue date Apr 9, 2002
- Joseph R. Fisher
- G08 - SIGNALLING
Information Patent Grant
Automated tennis line calling system
- Patent number 5,908,361
- Issue date Jun 1, 1999
- Signal Processing Systems, Inc.
- Joseph R. Fisher
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Omnidirectional pressure sensing head
- Patent number 5,172,592
- Issue date Dec 22, 1992
- Pacer Systems, Inc.
- Joseph R. Fisher
- G01 - MEASURING TESTING
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Harmonically filtered speed sensing system
- Patent number 5,101,662
- Issue date Apr 7, 1992
- Pacer Systems Inc.
- Joseph R. Fisher
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for fast generation of signal sequences
- Patent number 4,751,631
- Issue date Jun 14, 1988
- Signal Processing Systems, Inc.
- Joseph R. Fisher
- G06 - COMPUTING CALCULATING COUNTING