A computer-based method and system for capturing and verifying a handwritten signature. The handwritten signature may relate to a document, such as an electronically stored document. An image of the document is displayed. A user signs the document electronically, and the handwritten signature is electronically...http://www.google.com.au/patents/US5647017?utm_source=gb-gplus-sharePatent US5647017 - Method and system for the verification of handwritten signatures
