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Theodorus G. W. Stijntjes
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Eindhoven, NL
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last 30 patents
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Patent Grant
Titanium-containing and cobalt-containing manganese-zinc ferrite co...
Patent number
4,863,625
Issue date
Sep 5, 1989
U.S. Philips Corporation
Johannus J. Roelofsma
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Deflection unit having a thin-walled yoke ring for cathode-ray tubes
Patent number
4,730,145
Issue date
Mar 8, 1988
U.S. Philips Corporation
Aant B. D. van der Meer
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method and holder for the manufacture of annular cores
Patent number
4,564,489
Issue date
Jan 14, 1986
U.S. Philips Corporation
Jozef T. A. M. Welzen
F27 - FURNACES KILNS OVENS RETORTS
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Patent Grant
Synthetic resin-bonded electromagnetic component and method of manu...
Patent number
4,431,979
Issue date
Feb 14, 1984
U.S. Philips Corporation
Theodorus G. W. Stijntjes
H01 - BASIC ELECTRIC ELEMENTS