Granted Patent
Utility
US 5,848,159 · App. 08/784,453
Public key cryptographic apparatus and method
Inventors:
Thomas W. Collins, Dale Hopkins, Susan Langford, Michael J. Sabin
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Jan 16, 1997
Inventors
Thomas W. Collins
Dale Hopkins
Susan Langford
Michael J. Sabin
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.