Granted Patent
Utility
US 5,669,747 · App. 08/620,673
Coded coil element cartridge
Inventor:
Roger M. Scharer
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: Mar 26, 1996
Inventor
Roger M. Scharer
Assignee (at issue)
General Binding 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.