Jozef Johannus Maria Warringa

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Band-pass filter constructed from concentrically arranged coaxial r...
- Patent number 4,132,965
- Issue date Jan 2, 1979
- U.S. Philips Corporation
- Jozef J. M. Warringa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Amplifier device for transmitting tetrode
- Patent number 4,119,921
- Issue date Oct 10, 1978
- U.S. Philips Corporation
- Jozef Johannus Maria Warringa
- H03 - BASIC ELECTRONIC CIRCUITRY