Granted Patent
Utility
US 4,623,089 · App. 06/732,914
Punching machine with selectively actuatable punches
Inventor:
William B. Scott
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: May 13, 1985
Inventor
William B. Scott
Assignee (at issue)
W.A. Whitney Co.
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.