Granted Patent
Utility
US 4,240,192 · App. 06/051,294
Tool for and method of removing a die-cutting mat from a rotary anvil
Inventor:
Richard F. Davis
Patented Case
View Patent ↗
Granted: Dec 23, 1980
Filed: Jun 22, 1979
Inventor
Richard F. Davis
Assignee (at issue)
DayCo Holdings, LP
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.