Josef J. van Lith

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Eindhoven, NL

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Patents Grantslast 30 patents

Information 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