Roy K. Williams

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Murrysville, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Molecular excimer gas UV preionized transverse discharge laser tube...
- Patent number 4,426,706
- Issue date Jan 17, 1984
- The United States of America as represented by the Secretary of the Navy
- Chi S. Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser tube design incorporating low inductance capacitor
- Patent number 4,423,510
- Issue date Dec 27, 1983
- Westinghouse Electric Corp.
- John L. Pack
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal halide laser tube structure
- Patent number 4,266,200
- Issue date May 5, 1981
- Chi-sheng Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High power electrode and feedthrough assembly for high temperature...
- Patent number 4,242,648
- Issue date Dec 30, 1980
- Westinghouse Electric Corp.
- Chi-sheng Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Coaxial discharge sealed-off quartz laser tube
- Patent number 4,237,430
- Issue date Dec 2, 1980
- Westinghouse Electric Corp.
- Chi-Sheng Liu
- H01 - BASIC ELECTRIC ELEMENTS