Granted Patent
Utility
US 5,048,612 · App. 07/579,654
Double nut setting tool and linger hanger assembly
Inventor:
Chudleigh B. Cochran
Patented Case
View Patent ↗
Granted: Sep 17, 1991
Filed: Sep 10, 1990
Inventor
Chudleigh B. Cochran
Assignee (at issue)
Lindsey Completion Systems, 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.