Granted Patent
Utility
US 6,442,300 · App. 09/225,667
Three-pixel line screen with high addressability and error diffusion
Inventor:
Charles M. Hains
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Jan 5, 1999
Inventor
Charles M. Hains
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.