Granted Patent
Utility
US 5,481,611 · App. 08/164,311
Method and apparatus for entity authentication
Inventors:
Leslie Dale Owens, Robert R. Jueneman, Ralph Worrest, Alvah B. Davis
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Dec 9, 1993
Inventors
Leslie Dale Owens
Robert R. Jueneman
Ralph Worrest
Alvah B. Davis
Assignee (at issue)
GTE Laboratories 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.