Peter B. Braun

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Bornheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Key switch operable by a cylinder lock
- Patent number 4,980,524
- Issue date Dec 25, 1990
- Dom-Sicherheitstechnik GmbH & Co KG
- Peter B. Braun
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cylinder key switch
- Patent number 4,931,600
- Issue date Jun 5, 1990
- DOM-Sicherheitstechnik GmbH & Co. KG
- Peter B. Braun
- H01 - BASIC ELECTRIC ELEMENTS