Granted Patent
Utility
US 6,426,802 · App. 09/232,637
Complementary halftone screens for highlight printing
Inventor:
Ying-wei Lin
Patented Case
View Patent ↗
Granted: Jul 30, 2002
Filed: Jan 19, 1999
Inventor
Ying-wei Lin
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.