Granted Patent
Utility
US 6,188,766 · App. 08/810,913
Apparatus and method for confirming, timestamping, and archiving printer and telecopier transmissions
Inventor:
Paul C. Kocher
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Mar 5, 1997
Inventor
Paul C. Kocher
Assignee (at issue)
Cryptography Research, Inc.
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.