Clarence J. Dunnrowicz

Follow

Person

Waltham, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Stabilized surface wave device
- Patent number 4,270,105
- Issue date May 26, 1981
- Raytheon Company
- Thomas E. Parker
- 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