Ulrich Warkentin

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Tannheim, DT

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Patents Grantslast 30 patents

Information Patent Grant
Taximeter indicator arrangement
- Patent number 4,056,709
- Issue date Nov 1, 1977
- Kienzle Apparate GmbH
- Hans-Peter Scholl
- G07 - CHECKING-DEVICES
Information Patent Grant
Method and apparatus for determining whether an electronic taximete...
- Patent number 4,021,645
- Issue date May 3, 1977
- Kienzle Apparate GmbH
- Manfred Saufferer
- G07 - CHECKING-DEVICES
Information Patent Grant
System and method for reducing the pulse repetition rate in an elec...
- Patent number 3,937,933
- Issue date Feb 10, 1976
- Kienzle Apparate GmbH
- Ulrich Warkentin
- G06 - COMPUTING CALCULATING COUNTING