Granted Patent
Utility
US 4,987,595 · App. 07/405,157
Secure cryptographic processor arrangement
Inventors:
Joseph T. Marino, Jr., Ronald Core
Patented Case
View Patent ↗
Granted: Jan 22, 1991
Filed: Sep 11, 1989
Inventors
Joseph T. Marino, Jr.
Ronald Core
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.