Granted Patent
Utility
US 5,199,074 · App. 07/817,150
Encryption system
Inventor:
Allen Thor
Patented Case
View Patent ↗
Granted: Mar 30, 1993
Filed: Jan 6, 1992
Inventor
Allen Thor
Assignee (at issue)
Advanced Micro Devices, 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.