John T. Barr IV

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Santa Rosa, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Vector network analyzer with integral processor
- Patent number 4,816,767
- Issue date Mar 28, 1989
- Hewlett-Packard Company
- Wayne C. Cannon
- G01 - MEASURING TESTING
Information Patent Grant
Vector network analyzer with integral processor
- Patent number 4,669,051
- Issue date May 26, 1987
- Hewlett-Packard Company
- John T. Barr
- G01 - MEASURING TESTING
Information Patent Grant
Vector network analyzer with integral processor
- Patent number 4,661,767
- Issue date Apr 28, 1987
- Hewlett-Packard Company
- David D. Sharrit
- G01 - MEASURING TESTING
Information Patent Grant
Vector network analyzer with integral processor
- Patent number 4,641,086
- Issue date Feb 3, 1987
- Hewlett-Packard Company
- John T. Barr
- G01 - MEASURING TESTING
Information Patent Grant
Vector network analyzer with integral processor
- Patent number 4,636,717
- Issue date Jan 13, 1987
- Hewlett-Packard Company
- David D. Sharrit
- G01 - MEASURING TESTING