Granted Patent
Utility
US 5,778,092 · App. 08/770,391
Method and apparatus for compressing color or gray scale documents
Inventors:
Peter S. MacLeod, Luc Vincent, Xianing Zhu
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Dec 20, 1996
Inventors
Peter S. MacLeod
Luc Vincent
Xianing Zhu
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.