Herbert Dreher

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Witten, DE

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Patents Grantslast 30 patents

Information Patent Grant
Electric drive with brakes, in particular for hoists, lifting devic...
- Patent number 5,631,510
- Issue date May 20, 1997
- Mannesmann Aktiengesellschaft
- Heinz Flaig
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Control system for a materials-handling device, especially for a sh...
- Patent number 5,555,957
- Issue date Sep 17, 1996
- Mannesmann Aktiengesellschaft
- Herbert Dreher
- B66 - HOISTING LIFTING HAULING