Patents Assigned to O.S. Security
  • Electronic access control device
    Patent number: 8587405
    Abstract: An electronic access control device is disclosed comprising two microprocessors. The first microprocessor receives a wirelessly transmitted that is compared to a stored access code. If those two codes match, the first microprocessor transmits a special communication code to the second microprocessor. The second microprocessor opens the lock if the transmitted communication code matches a stored communication code.
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: November 19, 2013
    Assignee: O.S. Security
    Inventors: William D. Denison, Bradley S. Silvers, Lawrence Brownfield