Granted Patent
Utility
US 6,272,152 · App. 09/288,835
Use of two-way cable transmissions to augment the security of the secure electronic transaction protocol
Inventors:
Stuart Z. Levin, Leo I. Bluestein
Patented Case
View Patent ↗
Granted: Aug 7, 2001
Filed: Apr 8, 1999
Inventors
Stuart Z. Levin
Leo I. Bluestein
Assignee (at issue)
TVN ENTERTAINMENT 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.