Granted Patent
Utility
US 6,341,860 · App. 09/260,842
Duplex document printer mechanism
Inventor:
Richard H. Harris
Patented Case
View Patent ↗
Granted: Jan 29, 2002
Filed: Mar 2, 1999
Inventor
Richard H. Harris
Assignee (at issue)
International Business Machines 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.