Granted Patent
Utility
US 5,377,270 · App. 08/085,423
Cryptographic authentication of transmitted messages using pseudorandom numbers
Inventors:
Philip J. Koopman, Jr., Alan Matthew Finn
Patented Case
View Patent ↗
Granted: Dec 27, 1994
Filed: Jun 30, 1993
Inventors
Philip J. Koopman, Jr.
Alan Matthew Finn
Assignee (at issue)
United Technologies Automotive
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.