Granted Patent
Utility
US 6,603,573 · App. 09/182,420
Constrained digital halftoning
Inventors:
Roy L. Adler, Marco Martens, Joan L. Mitchell, Nenad Rijavec, Robert H. Risch, Charles P. Tresser, Chai Wah Wu
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Oct 30, 1998
Inventors
Roy L. Adler
Marco Martens
Joan L. Mitchell
Nenad Rijavec
Robert H. Risch
Charles P. Tresser
Chai Wah Wu
Assignee (at issue)
International Business Machines 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.