Oswald L. Zappa

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Stoneham, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for providing improved characteristics of a broad area el...
- Patent number 4,328,443
- Issue date May 4, 1982
- Avco Everett Research Laboratory, Inc.
- Oswald L. Zappa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Recirculating gas laser
- Patent number 4,321,558
- Issue date Mar 23, 1982
- Avco Everett Research Laboratory, Inc.
- Oswald L. Zappa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser operation with closed gas and tuned duct pulsing
- Patent number 4,283,686
- Issue date Aug 11, 1981
- Avco Everett Research Laboratory, Inc.
- Jack D. Daugherty
- H01 - BASIC ELECTRIC ELEMENTS