Granted Patent
Utility
US 4,598,170 · App. 06/611,560
Secure microprocessor
Inventors:
Gerald V. Piosenka, Barry B. Mead
Patented Case
View Patent ↗
Granted: Jul 1, 1986
Filed: May 17, 1984
Inventors
Gerald V. Piosenka
Barry B. Mead
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.