Granted Patent
Utility
US 5,086,469 · App. 07/546,615
Encryption with selective disclosure of protocol identifiers
Inventors:
Amar Gupta, Charles W. Kaufman, Mark F. Kempf, G. Paul Koning
Patented Case
View Patent ↗
Granted: Feb 4, 1992
Filed: Jun 29, 1990
Inventors
Amar Gupta
Charles W. Kaufman
Mark F. Kempf
G. Paul Koning
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.