Granted Patent
Utility
US 4,371,104 · App. 06/270,486
Dispenser box with cutting edge
Inventor:
Ralph J. Korte
Patented Case
View Patent ↗
Granted: Feb 1, 1983
Filed: Jun 4, 1981
Inventor
Ralph J. Korte
Assignee (at issue)
Champion International Corporation Limited
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.