Granted Patent
Utility
US 5,172,247 · App. 07/602,563
High speed digital error diffusion process for continuous tone image-to-binary image conversion
Inventor:
Mohsen Ghaderi
Patented Case
View Patent ↗
Granted: Dec 15, 1992
Filed: Oct 24, 1990
Inventor
Mohsen Ghaderi
Assignee (at issue)
EASTMAN KODAK COMPANY
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.