Patents Examined by J. Lisehora
  • Patent number: 4729314
    Abstract: A stamp adapted for connection in a series, the stamp comprising a handle having a rubber letter or figure overlaid to a non-porous first rubber layer and a second porous rubber layer; and the handle having a first tenon and a first mortise on one side, and a second tenon and a second mortise on the opposite side, the first tenon being adapted to fit in the second mortise and the second tenon being adapted to fit in the first mortise.
    Type: Grant
    Filed: February 11, 1987
    Date of Patent: March 8, 1988
    Inventor: Takanobu Yamamoto