Hubert J. Ploumen

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Borne, NL

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Patents Grantslast 30 patents

Information Patent Grant
Power supply circuit
- Patent number 4,406,977
- Issue date Sep 27, 1983
- Hollandse Signaalapparaten B.V.
- Hubert J. Ploumen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power supply circuit
- Patent number 4,390,896
- Issue date Jun 28, 1983
- Hollandse Signaalapparaten B.V.
- Hubert J. Ploumen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE