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Peter Stehr
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Hagen, DE
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last 30 patents
Information
Patent Grant
Hand-held radio transmitter
Patent number
D465206
Issue date
Nov 5, 2002
Mannesmann VDO AG
Heinz Hasselmann
D13 - Equipment for production, distribution, or transformation of energy
Information
Patent Grant
Sending head for a handheld wireless transmitter
Patent number
D440217
Issue date
Apr 10, 2001
Mannesmann AG
Heinz Hasselmann
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Method and apparatus for the wireless control of lift devices by in...
Patent number
5,402,257
Issue date
Mar 28, 1995
Mannesmann Aktiengessellschaft
Heinz Hasselmann
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Load test apparatus for hoisting units by means of strain gages
Patent number
4,140,010
Issue date
Feb 20, 1979
DeMag Aktiengesellschaft
Robert Kulpmann
B66 - HOISTING LIFTING HAULING