Gauke K. Zijlstra

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Emmen, NL

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Patents Grantslast 30 patents

Information Patent Grant
System for detecting the presence in a rack of a portable unit suit...
- Patent number 5,194,856
- Issue date Mar 16, 1993
- Ericsson Radio Systems B.V.
- Gauke K. Zijlstra
- G08 - SIGNALLING
Information Patent Grant
System for transmitting alarm signals with a repetition
- Patent number 5,164,704
- Issue date Nov 17, 1992
- Ericsson Radio Systems B.V.
- Petrus A. J. Steen
- G08 - SIGNALLING