Granted Patent
Utility
US 6,703,633 · App. 09/931,842
Method and apparatus for authenticating a signature
Inventor:
Barclay J. Tullis
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Aug 16, 2001
Inventor
Barclay J. Tullis
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.