Keimpe Van Wijk

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Stereo phono pick-up and/or cutter
- Patent number 4,494,227
- Issue date Jan 15, 1985
- U.S. Philips Corporation
- Casper E. G. M. M. van Vroonhoven
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Magnetic pick-up and/or cutter cartridge
- Patent number 4,456,984
- Issue date Jun 26, 1984
- U.S. Philips Corporation
- Keimpe Van Wijk
- H04 - ELECTRIC COMMUNICATION TECHNIQUE