Granted Patent
Utility
US 6,335,136 · App. 09/777,967
Developer compositions and processes
Inventors:
David H. Pan, Christopher M. Knapp
Patented Case
View Patent ↗
Granted: Jan 1, 2002
Filed: Feb 6, 2001
Inventors
David H. Pan
Christopher M. Knapp
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.