Granted Patent
Utility
US 6,348,292 · App. 09/777,605
Developer compositions and processes
Inventors:
David H. Pan, Christopher M. Knapp, Weizhong Zhao, Thomas W. Smith
Patented Case
View Patent ↗
Granted: Feb 19, 2002
Filed: Feb 6, 2001
Inventors
David H. Pan
Christopher M. Knapp
Weizhong Zhao
Thomas W. Smith
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.