Granted Patent
Utility
US 6,549,194 · App. 09/410,397
Method for secure pin entry on touch screen display
Inventors:
Keith Eric McIntyre, John F. Sheets, Dominique Gougeon, Curtis W. Watson, Keven Paul Morlang, Dave Faoro
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Oct 1, 1999
Inventors
Keith Eric McIntyre
John F. Sheets
Dominique Gougeon
Curtis W. Watson
Keven Paul Morlang
Dave Faoro
Assignee (at issue)
Hewlett-Packard Development Company, L.P.
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.