Friedrich Hufnagel

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Sulzbach-Rosenberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Manually operable circuit breaker
- Patent number 5,168,137
- Issue date Dec 1, 1992
- Siemmens Aktiengesellschaft
- Friedrich Hufnagel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switchgear with Z-shaped insulating terminal cover
- Patent number 4,461,939
- Issue date Jul 24, 1984
- Siemens Aktiengesellschaft
- Willy Sabisch
- H01 - BASIC ELECTRIC ELEMENTS