Granted Patent
Utility
US 4,933,971 · App. 07/323,485
Method for encrypting transmitted data using a unique key
Inventors:
Ralph Bestock, Jae Young Kim, Webster D. Hopkins, Martin M. Atalla
Patented Case
View Patent ↗
Granted: Jun 12, 1990
Filed: Apr 14, 1989
Inventors
Ralph Bestock
Jae Young Kim
Webster D. Hopkins
Martin M. Atalla
Assignee (at issue)
Tandem Computers Incorporated
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.