Frank Walters

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Bury, GB

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Patents Grantslast 30 patents

Information Patent Grant
Gas discharge display panel
- Patent number 4,210,838
- Issue date Jul 1, 1980
- Ferranti Limited
- Frank Walters
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas discharge display panel
- Patent number 4,193,017
- Issue date Mar 11, 1980
- Ferranti Limited
- Frank Walters
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas discharge display panel having an array of discharge cavities a...
- Patent number 4,185,230
- Issue date Jan 22, 1980
- Ferranti Limited
- Frank Walters
- H01 - BASIC ELECTRIC ELEMENTS