P. N. R. Chadwick

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Petzenhausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
High power switched power supply
- Patent number 4,791,543
- Issue date Dec 13, 1988
- Siemens Aktiengesellschaft
- P. N. R. Chadwick
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fault recognition circuit for parallel power supply devices feeding...
- Patent number 4,694,193
- Issue date Sep 15, 1987
- Siemens Aktiengesellschaft
- Manfred Schlenk
- G05 - CONTROLLING REGULATING