Granted Patent
Utility
US 6,615,717 · App. 10/063,111
Symmetrical parallel duplex paper path device
Inventor:
Patrick Perdu
Patented Case
View Patent ↗
Granted: Sep 9, 2003
Filed: Mar 21, 2002
Inventor
Patrick Perdu
Assignee (at issue)
Xerox 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.