Granted Patent
Utility
US 4,526,172 · App. 06/526,448
One piece multi-purpose clamp
Inventor:
Stanley Stephenson
Patented Case
View Patent ↗
Granted: Jul 2, 1985
Filed: Aug 25, 1983
Inventor
Stanley Stephenson
Assignee (at issue)
Premium Plastics, 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.