Granted Patent
Utility
US 6,570,990 · App. 09/192,102
Method of protecting high definition video signal
Inventors:
Leslie D. Kohn, David Barr, Didier J. Le Gall
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Nov 13, 1998
Inventors
Leslie D. Kohn
David Barr
Didier J. Le Gall
Assignee (at issue)
LSI Logic 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.