IP Library › Granted Patent US 4,354,342
Granted Patent Utility
US 4,354,342 · App. 06/152,160

Twister ring and traveler

Inventors: Robert M. Rumsey, Robert W. Thornton
Patented Case View Patent ↗
Granted: Oct 19, 1982 Filed: May 22, 1980
Inventors
Robert M. Rumsey
Robert W. Thornton
Assignee (at issue)
Standard Oil Company (Indiana)

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Quick Facts
Patent No.
US 4,354,342
App. No.
06/152,160
Filed
1980-05-22
Granted
1982-10-19
Kind
A