Granted Patent
Utility
US 4,621,321 · App. 06/580,910
Secure data processing system architecture
Inventors:
William E. Boebert, Richard Y. Kain
Patented Case
View Patent ↗
Granted: Nov 4, 1986
Filed: Feb 16, 1984
Inventors
William E. Boebert
Richard Y. Kain
Assignee (at issue)
Honeywell Limited
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.