Granted Patent
Utility
US 6,434,702 · App. 09/207,481
Automatic rotation of digit location in devices used in passwords
Inventors:
John Maddalozzo, Jr., Gerald Francis McBrearty, Johnny Meng-Han Shieh
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Dec 8, 1998
Inventors
John Maddalozzo, Jr.
Gerald Francis McBrearty
Johnny Meng-Han Shieh
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.