Granted Patent
Utility
US 4,200,312 · App. 05/875,639
Subsea flowline connector
Inventor:
Bruce J. Watkins
Patented Case
View Patent ↗
Granted: Apr 29, 1980
Filed: Feb 6, 1978
Inventor
Bruce J. Watkins
Assignee (at issue)
Regan Offshore International, 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.