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Josef J. van Lith
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Eindhoven, NL
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last 30 patents
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Patent Grant
Scandate cathode
Patent number
5,261,845
Issue date
Nov 16, 1993
U.S. Philips Corporation
Johannes Van Esdonk
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing scandate cathode with scandium oxide film
Patent number
5,064,397
Issue date
Nov 12, 1991
U.S. Philips Corporation
Jan Hasker
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a dispenser cathode and the use of the method
Patent number
4,671,777
Issue date
Jun 9, 1987
U.S. Philips Corporation
Johannes van Esdonk
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a scandate dispenser cathode and dispenser...
Patent number
4,594,220
Issue date
Jun 10, 1986
U.S. Philips Corporation
Jan Hasker
H01 - BASIC ELECTRIC ELEMENTS