Granted Patent
Utility
US 4,465,134 · App. 06/402,180
Tie-back connection apparatus and method
Inventor:
Bruce J. Watkins
Patented Case
View Patent ↗
Granted: Aug 14, 1984
Filed: Jul 26, 1982
Inventor
Bruce J. Watkins
Assignee (at issue)
Hughes Tool Company LLC
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.