Richard A. Oswald

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Benicia, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Compact detector for radon and radon daughter products
- Patent number RE33065
- Issue date Sep 19, 1989
- Tech/Ops Landauer, Inc.
- H. Ward Alter
- 250 - Radiant energy
Information Patent Grant
Compact detector for radon and radon daughter products
- Patent number 4,518,860
- Issue date May 21, 1985
- Terradex Corporation
- H. Ward Alter
- G01 - MEASURING TESTING