Patents by Inventor Walter Dick

Walter Dick has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Polyhedral elements with undercut recesses and cylindrical connectors having collars
    Patent number: 4026065
    Abstract: A group of building blocks made from plastic to create area- or volume-shaped designs including cube-shaped basic elements connecting elements by which means a basic element is connected to another basic element. The connecting elements are cylinders with rounded collars which are forced into undercut recesses in the base elements. The base elements may be straight prisms or other polyhedral shapes. Several base elements may be formed in one piece. The connectors may be integral or separate and the connectors and base elements may have communicating bores.
    Type: Grant
    Filed: November 14, 1975
    Date of Patent: May 31, 1977
    Inventor: Walter Dick