Granted Patent
Utility
US 6,463,239 · App. 09/723,789
Electrophotographic development system with custom color printing
Inventors:
Dan A. Hays, Jack T. LeStrange
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Nov 28, 2000
Inventors
Dan A. Hays
Jack T. LeStrange
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.