IP Library › Granted Patent US 4,640,351
Granted Patent Utility
US 4,640,351 · App. 06/783,207

Sealing packer

Inventors: Ted G. Clifton, Robert L. Brookey
Patented Case View Patent ↗
Granted: Feb 3, 1987 Filed: Oct 2, 1985
Inventors
Ted G. Clifton
Robert L. Brookey
Assignee (at issue)
Arrow Oil Tools, Inc.

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Quick Facts
Patent No.
US 4,640,351
App. No.
06/783,207
Filed
1985-10-02
Granted
1987-02-03
Kind
A