Granted Patent
Utility
US 4,713,995 · App. 06/783,677
Hole punch assembly
Inventor:
Richard A. Davi
Patented Case
View Patent ↗
Granted: Dec 22, 1987
Filed: Oct 3, 1985
Inventor
Richard A. Davi
Assignee (at issue)
Rolodex 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.