Granted Patent
Utility
US 4,603,743 · App. 06/697,231
Hydraulic/mechanical setting tool and liner hanger
Inventor:
Hiram E. Lindsey, Jr.
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: Feb 1, 1985
Inventor
Hiram E. Lindsey, Jr.
Assignee (at issue)
MWL Tool & Supply Company
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.