IP Library › Granted Patent US 4,375,240
Granted Patent Utility
US 4,375,240 · App. 06/213,926

Well packer

Inventors: John L. Baugh, Phillip H. Manderscheid, James W. Montgomery
Patented Case View Patent ↗
Granted: Mar 1, 1983 Filed: Dec 8, 1980
Inventors
John L. Baugh
Phillip H. Manderscheid
James W. Montgomery
Assignee (at issue)
Hughes Tool Company LLC

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Quick Facts
Patent No.
US 4,375,240
App. No.
06/213,926
Filed
1980-12-08
Granted
1983-03-01
Kind
A