IP Library › Granted Patent US 4,653,603
Granted Patent Utility
US 4,653,603 · App. 06/746,180

Rotary fluid devices

Inventor: Clement O. DuFrene
Patented Case View Patent ↗
Granted: Mar 31, 1987 Filed: Jun 18, 1985
Inventor
Clement O. DuFrene
Assignee (at issue)
Gordon Rosenmeier

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Quick Facts
Patent No.
US 4,653,603
App. No.
06/746,180
Filed
1985-06-18
Granted
1987-03-31
Kind
A