Granted Patent
Utility
US 4,880,255 · App. 07/289,699
Multiple ply business form
Inventor:
George Zehner
Patented Case
View Patent ↗
Granted: Nov 14, 1989
Filed: Dec 27, 1988
Inventor
George Zehner
Assignee (at issue)
Uarco Incorporated
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.