George R. Hergenrother

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Watertown, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Projection cathode ray tube having target angularly and longitudina...
- Patent number 4,177,400
- Issue date Dec 4, 1979
- Advent Corporation
- George R. Hergenrother
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Projection television tube system and method of producing same
- Patent number 4,024,579
- Issue date May 17, 1977
- Advent Corporation
- George R. Hergenrother
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projection television tube system
- Patent number 3,969,648
- Issue date Jul 13, 1976
- Advent Corporation
- George R. Hergenrother
- H04 - ELECTRIC COMMUNICATION TECHNIQUE