Patents Assigned to J. T. Martin
  • Personal identification number shield
    Patent number: 5509224
    Abstract: A shield that is substantially planar and pliant, and includes at least two substantially parallel slits provided in the shield into which the fingers of one hand of the user may be inserted so as to wrap around the portion of the shield between those slits and retain the shield in a position to obscure visual access to the information the user wants to shield from view.
    Type: Grant
    Filed: March 22, 1995
    Date of Patent: April 23, 1996
    Assignee: J. T. Martin
    Inventor: Elizabeth Roy