Granted Patent
Utility
US 6,653,950 · App. 09/951,263
Data compression method and apparatus utilizing cascaded subdictionaries
Inventor:
Albert B. Cooper
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Sep 13, 2001
Inventor
Albert B. Cooper
Assignee (at issue)
Unisys 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.