Patents Assigned to SINT Holdings Limited Liability Company
  • System and method using information based indicia for securing and authenticating transactions
    Patent number: 8255694
    Abstract: A method, system, and apparatus for authenticating transactions and records is disclosed. An information-based indicium includes an article bearing a first identifier, wherein the first identifier substantially prevents a single user from accumulating multiple articles bearing the same first identifier, and a first digital certificate that is derived in part by encoding the first identifier, wherein the first digital certificate and the article may be presented together to authenticate the indicium by comparing the first digital certificate and the first identifier.
    Type: Grant
    Filed: September 15, 2006
    Date of Patent: August 28, 2012
    Assignee: Sint Holdings Limited Liability Company
    Inventors: Patrick D. Lincoln, Natarajan Shankar
  • System and method using information based indicia for securing and authenticating transactions
    Patent number: 8171297
    Abstract: A method, system, and apparatus for authenticating transactions and records is disclosed. A method for authenticating an information-based indicium includes receiving an article bearing a first identifier, wherein the first identifier substantially prevents a single user from accumulating multiple articles bearing the same first identifier, receiving a first digital certificate that is derived in part by encoding the first identifier, and comparing the first digital certificate and the first identifier to authenticate the information-based indicium.
    Type: Grant
    Filed: September 15, 2006
    Date of Patent: May 1, 2012
    Assignee: SINT Holdings Limited Liability Company
    Inventors: Patrick D. Lincoln, Natarajan Shankar