Granted Patent
Utility
US 5,210,795 · App. 07/818,855
Secure user authentication from personal computer
Inventors:
Steven B. Lipner, Morrie Gasser, Butler W. Lampson
Patented Case
View Patent ↗
Granted: May 11, 1993
Filed: Jan 10, 1992
Inventors
Steven B. Lipner
Morrie Gasser
Butler W. Lampson
Assignee (at issue)
Digital Equipment 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.