Assignee
HAAS BERTRAND
US6 patents
Top patents by PatentIndex Score
US8240797B2Aug 14, 2012
System and method for providing graphic security to a document at the time of printing
HAAS BERTRAND8 citations83
US8705736B2Apr 22, 2014
Image encryption for print-and-scan channels using pixel position permutation
HAAS BERTRAND8 citations76
US8851376B2Oct 7, 2014
Method and system for protecting privacy of signatures on mail ballots
HAAS BERTRAND0 citations51
US8321268B2Nov 27, 2012
Method for providing targeted advertising while maintaining privacy of personal information of recipients
HAAS BERTRAND1 citations51
US8490205B2Jul 16, 2013
Method for protecting signatures stored in a database
HAAS BERTRAND0 citations41
US8335744B2Dec 18, 2012
System and method for paper independent copy detection pattern
HAAS BERTRAND0 citations38