IP Library › Granted Patent US 5,189,996
Granted Patent Utility
US 5,189,996 · App. 07/774,005

Two-stroke-cycle engine with variable valve timing

Inventors: William E. Richeson, Frederick L. Erickson
Patented Case View Patent ↗
Granted: Mar 2, 1993 Filed: Oct 8, 1991
Inventors
William E. Richeson
Frederick L. Erickson
Assignee (at issue)
North American Philips Corporation

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Quick Facts
Patent No.
US 5,189,996
App. No.
07/774,005
Filed
1991-10-08
Granted
1993-03-02
Kind
A