Granted Patent
Utility
US 4,301,671 · App. 06/118,097
Supported knockout pin assembly for forging machines or the like
Inventors:
George T. Payne, Gerald R. Eakin
Patented Case
View Patent ↗
Granted: Nov 24, 1981
Filed: Feb 4, 1980
Inventors
George T. Payne
Gerald R. Eakin
Assignee (at issue)
NATIONAL MACHINE COMPANY
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.