Richard C. Johnson

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Pasedena, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Metal vapor laser discharge tube
- Patent number 4,224,579
- Issue date Sep 23, 1980
- Xerox Corporation
- Calvin J. Marlett
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for controlling the intensity of a laser outpu...
- Patent number 4,122,409
- Issue date Oct 24, 1978
- Xerox Corporation
- Calvin J. Marlett
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Interface system to control flash lamp
- Patent number 4,090,108
- Issue date May 16, 1978
- Xerox Corporation
- Richard Calvin Johnson
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Interface system to control flash lamp
- Patent number 4,039,770
- Issue date Aug 2, 1977
- Xerox Corporation
- Richard C. Johnson
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Flash lamp modulator system
- Patent number 4,027,199
- Issue date May 31, 1977
- Xerox Corporation
- Richard C. Johnson
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Flash fusing system with energy control
- Patent number 4,001,541
- Issue date Jan 4, 1977
- Xerox Corporation
- Gilbert J. Hatch
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY