Granted Patent
Utility
US 6,477,443 · App. 09/538,392
Method and apparatus for charging for printing mixed sheet sizes on an electrophotographic printing machine
Inventors:
David L. Salgado, John W. Daughton, Jeffrey Gramowski, Thomas G. Lindsay, Michael W. Barrett
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Mar 29, 2000
Inventors
David L. Salgado
John W. Daughton
Jeffrey Gramowski
Thomas G. Lindsay
Michael W. Barrett
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.