Granted Patent
Utility
US 6,603,857 · App. 08/892,355
Method and apparatus for controlling release of time sensitive information
Inventors:
Mark Christopher Batten-Carew, Michael Wiener
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Jul 14, 1997
Inventors
Mark Christopher Batten-Carew
Michael Wiener
Assignee (at issue)
Entrust Technologies Limited
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.