Granted Patent
Utility
US 4,379,581 · App. 06/206,765
Take-out tong assembly
Inventor:
Jack I. Perry
Patented Case
View Patent ↗
Granted: Apr 12, 1983
Filed: Nov 14, 1980
Inventor
Jack I. Perry
Assignee (at issue)
Owens-Illinois 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.