Theodorus H.M. Stevens

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for depositing cathode material on a wire cathode
- Patent number 5,902,464
- Issue date May 11, 1999
- U.S. Philips Corporation
- Nicolaas J.M. Van Leth
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for depositing cathode material on a wire cathode
- Patent number 5,714,051
- Issue date Feb 3, 1998
- U.S. Philips Corporation
- Nicolaas J.M. Van Leth
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum tube comprising a ceramic element and a method of interconne...
- Patent number 5,573,173
- Issue date Nov 12, 1996
- U.S. Philips Corporation
- Ronald van der Wilk
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Vacuum tube comprising a ceramic element and a method of interconne...
- Patent number 5,479,067
- Issue date Dec 26, 1995
- U.S. Philips Corporation
- Ronald van der Wilk
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES