Granted Patent
Utility
US 5,161,828 · App. 07/738,525
Break-away flowline fitting
Inventors:
Joseph H. Hynes, James H. Owens, III
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Jul 31, 1991
Inventors
Joseph H. Hynes
James H. Owens, III
Assignee (at issue)
Cooper Industries Holdings
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.