Roman Keller

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Erlangen, DT

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Patents Grantslast 30 patents

Information Patent Grant
Gasket for the high-frequency-tight connection of detachable metall...
- Patent number 4,061,413
- Issue date Dec 6, 1977
- Siemens Aktiengesellschaft
- Roman Keller
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cabinet for mounting electronic equipment
- Patent number 4,006,949
- Issue date Feb 8, 1977
- Siemens Aktiengesellschaft
- Roman Keller
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Clip connection
- Patent number 3,980,378
- Issue date Sep 14, 1976
- Siemens Aktiengesellschaft
- Roman Keller
- H01 - BASIC ELECTRIC ELEMENTS