Frank K. David

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Santa Rosa, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Parametric diode amplifier
- Patent number 4,805,237
- Issue date Feb 14, 1989
- Hewlett-Packard Company
- David K. Donald
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Self biasing diode microwave frequency multiplier
- Patent number 4,749,949
- Issue date Jun 7, 1988
- Hewlett-Packard Company
- Robert D. Albin
- H03 - BASIC ELECTRONIC CIRCUITRY