John M. Richter

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hand held computer input apparatus and method
- Patent number 5,485,171
- Issue date Jan 16, 1996
- MicroMed Systems, Inc.
- John M. Copper
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Computer controlled workpiece finishing apparatus
- Patent number 4,570,385
- Issue date Feb 18, 1986
- Fox Grinders, Inc.
- John M. Richter
- G05 - CONTROLLING REGULATING