Granted Patent
Utility
US 6,656,657 · App. 10/106,078
Toner processes
Inventors:
Raj D. Patel, Michael A. Hopper, Joseph Bartel, Edward G. Zwartz
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Mar 25, 2002
Inventors
Raj D. Patel
Michael A. Hopper
Joseph Bartel
Edward G. Zwartz
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.