Ian A. Strudwick

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Chelmsford, GB

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for forming an electron beam sheet
- Patent number 4,839,554
- Issue date Jun 13, 1989
- English Electric Valve Company Limited
- Arthur Maitland
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser apparatus having cathode bore directing electron beam onto anode
- Patent number 4,825,446
- Issue date Apr 25, 1989
- English Electric Valve Company Limited
- Arthur Maitland
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for forming electron beams
- Patent number 4,698,546
- Issue date Oct 6, 1987
- English Electric Valve Company Limited
- Arthur Maitland
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Segmented discharge tube devices
- Patent number 4,403,167
- Issue date Sep 6, 1983
- English Electric Valve Company Limited
- Arthur Maitland
- H01 - BASIC ELECTRIC ELEMENTS