Granted Patent
Utility
US 4,246,815 · App. 05/085,051
Volumetrically deformed polymeric support for punches
Inventor:
Harding R. Hugo
Patented Case
View Patent ↗
Granted: Jan 27, 1981
Filed: Oct 15, 1979
Inventor
Harding R. Hugo
Assignee (at issue)
Danly Machine Corporation
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.