IP Library › Granted Patent US 4,725,197
Granted Patent Utility
US 4,725,197 · App. 06/779,722

Devices for imparting rotary motion

Inventors: Michael K. Russell, Colin Arlott
Patented Case View Patent ↗
Granted: Feb 16, 1988 Filed: Sep 24, 1985
Inventors
Michael K. Russell
Colin Arlott
Assignee (at issue)
NL Industries, Inc.

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Quick Facts
Patent No.
US 4,725,197
App. No.
06/779,722
Filed
1985-09-24
Granted
1988-02-16
Kind
A