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Patents Grantslast 30 patents

Information Patent Grant
Pressure-wave switch
- Patent number D453740
- Issue date Feb 19, 2002
- Bircher AG
- Christof Lexer
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Switching element, in particular a pressure-wave switch
- Patent number 6,265,679
- Issue date Jul 24, 2001
- Bircher AG
- Christof Lexer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pressure actuated snap switch
- Patent number 4,853,506
- Issue date Aug 1, 1989
- Bircher, AG.
- Klaus Poschet
- H01 - BASIC ELECTRIC ELEMENTS