Granted Patent
Utility
US 5,188,397 · App. 07/621,776
Clamp and clamp supporting apparatus
Inventor:
Joseph H. Hynes
Patented Case
View Patent ↗
Granted: Feb 23, 1993
Filed: Dec 4, 1990
Inventor
Joseph H. Hynes
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.