Granted Patent
Utility
US 5,953,422 · App. 08/774,809
Secure two-piece user authentication in a computer network
Inventors:
Michael F. Angelo, Sompong Paul Olarig
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Dec 31, 1996
Inventors
Michael F. Angelo
Sompong Paul Olarig
Assignee (at issue)
Compaq Computer Corporation
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.