Granted Patent
Utility
US 6,758,404 · App. 09/922,325
Media cipher smart card
Inventor:
Stephen Joseph Ladyansky
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: Aug 3, 2001
Inventor
Stephen Joseph Ladyansky
Assignee (at issue)
General Instrument 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.