Doeko Stoppels

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic head having a core of Mn-Zn-Co ferrous ferrite
- Patent number 4,719,148
- Issue date Jan 12, 1988
- U.S. Philips Corporation
- Doeko Stoppels
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Magnetic head having cobalt-containing zinc-ferrous ferrite core
- Patent number 4,594,628
- Issue date Jun 10, 1986
- U.S. Philips Corporation
- Doeko Stoppels
- C30 - CRYSTAL GROWTH
Information Patent Grant
Magnetic head
- Patent number 4,568,993
- Issue date Feb 4, 1986
- U.S. Philips Corporation
- Doeko Stoppels
- C30 - CRYSTAL GROWTH