Frank Sandy

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Lexington, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Combining series sections weighting with withdrawal weighting in SA...
- Patent number 4,321,567
- Issue date Mar 23, 1982
- Raytheon Company
- Frank Sandy
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface acoustic wave ring filter
- Patent number 4,155,057
- Issue date May 15, 1979
- Raytheon Company
- Frank Sandy
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface acoustic wave grating
- Patent number 4,151,492
- Issue date Apr 24, 1979
- Raytheon Company
- Frank Sandy
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Surface wave device having enhanced reflectivity gratings
- Patent number 4,130,813
- Issue date Dec 19, 1978
- Raytheon Company
- Frank Sandy
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Wide band low loss acoustic wave device
- Patent number 4,114,119
- Issue date Sep 12, 1978
- Raytheon Company
- Frank Sandy
- H03 - BASIC ELECTRONIC CIRCUITRY