IP Library › Granted Patent US 5,156,247
Granted Patent Utility
US 5,156,247 · App. 07/584,759

Connectable or disconnectable viscous coupling

Inventors: Helmut Wiese, Paul-Erich Schonenbrucher
Patented Case View Patent ↗
Granted: Oct 20, 1992 Filed: Sep 19, 1990
Inventors
Helmut Wiese
Paul-Erich Schonenbrucher
Assignee (at issue)
Viscodrive GmbH

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Quick Facts
Patent No.
US 5,156,247
App. No.
07/584,759
Filed
1990-09-19
Granted
1992-10-20
Kind
A