IP Library › Granted Patent US 4,643,287
Granted Patent Utility
US 4,643,287 · App. 06/749,910

Multi-stage torsional damping device

Inventor: Thaddeus Lech, Jr.
Patented Case View Patent ↗
Granted: Feb 17, 1987 Filed: Jun 28, 1985
Inventor
Thaddeus Lech, Jr.
Assignee (at issue)
BorgWarner Inc.

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Quick Facts
Patent No.
US 4,643,287
App. No.
06/749,910
Filed
1985-06-28
Granted
1987-02-17
Kind
A