Granted Patent
Utility
US 6,771,193 · App. 10/226,963
System and methods for embedding additional data in compressed data streams
Inventor:
David Craft
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Aug 22, 2002
Inventor
David Craft
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.