Patents Examined by D. N. Mair
  • Patent number: 4740188
    Abstract: An elongate rectangular bar useful as a toy construction element and including one or more apertures and one or more pairs of transversely aligned notches. Each aperture has a generally non-circular configuration and defines top bottom and intermediate portions each having a constant width.
    Type: Grant
    Filed: July 31, 1986
    Date of Patent: April 26, 1988
    Inventor: Theo M. S. Coster