Granted Patent
Utility
US 5,402,490 · App. 07/937,772
Process for improving public key authentication
Inventor:
Thomas J. Mihm, Jr.
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Sep 1, 1992
Inventor
Thomas J. Mihm, Jr.
Assignee (at issue)
Motorola, 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.