Granted Patent
Utility
US 6,484,934 · App. 09/537,888
Method and apparatus for charging for printing operations on an electrophotographic printing machine
Inventor:
David L. Salgado
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Mar 29, 2000
Inventor
David L. Salgado
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.