IP Library › Granted Patent US 5,404,978
Granted Patent Utility
US 5,404,978 · App. 08/103,905

Viscous coupling

Inventor: Makoto Hagiwara
Patented Case View Patent ↗
Granted: Apr 11, 1995 Filed: Aug 10, 1993
Inventor
Makoto Hagiwara
Assignees (at issue)
GKN Viscodrive GmbH
Viscodrive Japan Ltd.

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Quick Facts
Patent No.
US 5,404,978
App. No.
08/103,905
Filed
1993-08-10
Granted
1995-04-11
Kind
A