IP Library Granted Patent US 5,947,443
Granted Patent Utility
US 5,947,443 · App. 08/947,549

Plug valve

Inventors: Thomas R. Shellenbarger, Charles J. Glover
Patented Case View Patent ↗
Granted: Sep 7, 1999 Filed: Oct 11, 1997
Inventors
Thomas R. Shellenbarger
Charles J. Glover
Assignee (at issue)
Dresser Industries, Inc.

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Quick Facts
Patent No.
US 5,947,443
App. No.
08/947,549
Filed
1997-10-11
Granted
1999-09-07
Kind
A