Patent 08285991 - Electronically signing a document > Summary
US Patent
Patent Application No. US 08285991
Published on Oct 9, 2012
Application No. 12/368532
Field on Feb 10, 2009
Classification
International:
H04L 29/06
National:
713/170
380/277;
380/260;
380/259;
380/280;
713/185;
713/173;
713/171;
713/168;
713/176;
709/238;
709/239;
709/240;
Field of Search
Non/e