Granted Patent
Utility
US 4,319,637 · App. 06/204,938
Well tool orientation system with remote indicator
Inventor:
Michael L. Wilson
Patented Case
View Patent ↗
Granted: Mar 16, 1982
Filed: Nov 7, 1980
Inventor
Michael L. Wilson
Assignee (at issue)
Armco Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.