George A. Fisher

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Andover, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Testing and calibrating of amplitude insensitive delay lines
- Patent number 4,703,251
- Issue date Oct 27, 1987
- Hewlett-Packard Company
- Richard A. Baumgartner
- G01 - MEASURING TESTING
Information Patent Grant
Amplitude insensitive delay line
- Patent number 4,638,191
- Issue date Jan 20, 1987
- Hewlett-Packard Company
- Richard A. Baumgartner
- G01 - MEASURING TESTING
Information Patent Grant
Amplitude insensitive delay lines in an accoustic imaging system
- Patent number 4,633,308
- Issue date Dec 30, 1986
- Hewlett-Packard Company
- John N. Dukes
- G01 - MEASURING TESTING