Granted Patent
Utility
US 6,457,639 · App. 09/637,200
Media processing
Inventors:
Michael Robertson McNamara, Derek Zuckert
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Aug 14, 2000
Inventors
Michael Robertson McNamara
Derek Zuckert
Assignee (at issue)
NCR 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.