Granted Patent
Utility
US 6,182,220 · App. 09/050,679
System and method for building and exchanging encrypted passwords between a client and server
Inventors:
Qilun Chen, Thomas E. Murphy, Jr., Paul F. Rieth, Jeffrey S. Stevens
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Mar 30, 1998
Inventors
Qilun Chen
Thomas E. Murphy, Jr.
Paul F. Rieth
Jeffrey S. Stevens
Assignee (at issue)
International Business Machines 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.