Klaus Hirrlinger

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Esslingen a.N., DE

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Patents Grantslast 30 patents

Information Patent Grant
Security alarm process and apparatus
- Patent number 4,853,690
- Issue date Aug 1, 1989
- Richard Hirschmann Radiotechnisches Werk
- Hans-Dieter Mayer
- G08 - SIGNALLING
Information Patent Grant
Current draw and power consumption display circuit
- Patent number 4,806,854
- Issue date Feb 21, 1989
- Richard Hirschmann Radiotechnisches Werk
- Hans-Dietrich Mayer
- G01 - MEASURING TESTING