Mark E. Spencer

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Mesa, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Position detector apparatus and method utilizing a transient voltag...
- Patent number 5,198,764
- Issue date Mar 30, 1993
- Sentech Corp.
- Mark E. Spencer
- G01 - MEASURING TESTING
Information Patent Grant
Capacitance sensor circuit and method for measuring capacitance and...
- Patent number 5,148,126
- Issue date Sep 15, 1992
- Sentech Corporation
- Mark E. Spencer
- G01 - MEASURING TESTING
Information Patent Grant
Oscillator circuit and method for measuring capacitance and small c...
- Patent number 5,136,262
- Issue date Aug 4, 1992
- Sentech Corporation
- Mark E. Spencer
- G01 - MEASURING TESTING