A method of enabling user interaction with computer software including, in a computer system, transferring print data to a printer, printing a form responsive to the print data by printing information indicative of a text field coincident with coded data indicative of the text field, so that when a sensing...http://www.google.ca/patents/US7986312?utm_source=gb-gplus-sharePatent US7986312 - Method of interacting with software using handwritten signatures
