IP Library Granted Patent US 4,685,359
Granted Patent Utility
US 4,685,359 · App. 06/893,112

Method of hardfacing steel bodied bits

Inventors: Steven J. Worthen, James D. Oursler
Patented Case View Patent ↗
Granted: Aug 11, 1987 Filed: Aug 4, 1986
Inventors
Steven J. Worthen
James D. Oursler
Assignee (at issue)
Hughes Tool Company - USA

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Quick Facts
Patent No.
US 4,685,359
App. No.
06/893,112
Filed
1986-08-04
Granted
1987-08-11
Kind
A