Pieter J. Van Der Valk

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Azuqueca de Henares, ES

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Patents Grantslast 30 patents

Information Patent Grant
Sintered moulding, transformer core and inductor core of Li(Ni)Zn f...
- Patent number 6,002,211
- Issue date Dec 14, 1999
- U.S. Philips Corporation
- Pieter J. Van Der Zaag
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Deflection ring of sintered MgZn-ferrite material, cathode ray tube...
- Patent number 5,932,819
- Issue date Aug 3, 1999
- U.S. Philips Corporation
- Pieter J. Van Der Zaag
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Deflection ring of sintered MgZn-ferrite material, cathode ray tube...
- Patent number 5,841,225
- Issue date Nov 24, 1998
- U.S. Philips Corporation
- Pieter J. Van Der Zaag
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES