Granted Patent
Utility
US 5,100,116 · App. 07/534,460
Apparatus and method of processing signatures
Inventor:
William T. Graushar
Patented Case
View Patent ↗
Granted: Mar 31, 1992
Filed: Jun 7, 1990
Inventor
William T. Graushar
Assignee (at issue)
QuadTech, Inc.
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.