Granted Patent
Utility
US 6,208,825 · App. 09/465,850
Low-Friction single component development apparatus
Inventor:
Dan A. Hays
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Dec 17, 1999
Inventor
Dan A. Hays
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.