Granted Patent
Utility
US 6,510,296 · App. 10/066,142
Xerographic printing apparatus, varying bias during the transfer step
Inventors:
Krzysztof J. Less, Ian Pitts
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Feb 1, 2002
Inventors
Krzysztof J. Less
Ian Pitts
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.