Willem Johannes Postma

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of making an adjusting pin for a ferro-magnetic core
- Patent number 4,023,263
- Issue date May 17, 1977
- U.S. Philips Corporation
- Willem Johannes Postma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Coil shape comprising an H-shaped coil core
- Patent number 3,947,796
- Issue date Mar 30, 1976
- U.S. Philips Corporation
- Willem Johannes Postma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Adjusting pin for a ferro-magnetic core
- Patent number 3,944,958
- Issue date Mar 16, 1976
- U.S. Philips Corporation
- Willem Johannes Postma
- H01 - BASIC ELECTRIC ELEMENTS