IP Library Granted Patent US 4,811,225
Granted Patent Utility
US 4,811,225 · App. 07/025,389

Ratio control technique for continuously variable transmission

Inventors: Werner P. Petzold, William P. Umlauf
Patented Case View Patent ↗
Granted: Mar 7, 1989 Filed: Mar 13, 1987
Inventors
Werner P. Petzold
William P. Umlauf
Assignee (at issue)
Borg-Warner Automotive, Inc.

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Quick Facts
Patent No.
US 4,811,225
App. No.
07/025,389
Filed
1987-03-13
Granted
1989-03-07
Kind
A