Granted Patent
Utility
US 6,583,891 · App. 09/725,225
Systems and methods of estimating sheet supplies in a printing system
Inventor:
David Joyce
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Nov 29, 2000
Inventor
David Joyce
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.