Jeffery B. Parfenchuck

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Tucson, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Current shunt instrumentation amplifier with extended bipolar input...
- Patent number 7,239,204
- Issue date Jul 3, 2007
- Texas Instruments Incorporated
- David A. Gammie
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and circuit for base current compensation
- Patent number 6,801,075
- Issue date Oct 5, 2004
- Texas Instruments Incorporated
- David A. Gammie
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
Current shunt instrumentation amplifier with extended bipolar input...
- Publication number 20060267687
- Publication date Nov 30, 2006
- TEXAS INSTRUMENTS INCORPORATED
- David A. Gammie
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method and circuit for base current compensation
- Publication number 20030189459
- Publication date Oct 9, 2003
- TEXAS INSTRUMENTS INCORPORATED
- David A. Gammie
- G05 - CONTROLLING REGULATING