Granted Patent
Utility
US 4,881,263 · App. 07/101,125
Apparatus and method for secure transmission of data over an unsecure transmission channel
Inventors:
B. J. Herbison, Carter Lyman, Paul A. Karger, Bruce E. Mann, Steve Lipner, Arnold Miller
Patented Case
View Patent ↗
Granted: Nov 14, 1989
Filed: Sep 25, 1987
Inventors
B. J. Herbison
Carter Lyman
Paul A. Karger
Bruce E. Mann
Steve Lipner
Arnold Miller
Assignee (at issue)
Digital Equipment 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.