Patents by Inventor Medilen S. Singh

Medilen S. Singh 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).

  • Three dimensional puzzle figure
    Patent number: 4192509
    Abstract: Apparatus for constructing a puzzle-like figure on a plane wherein certain parts have boreholes into which rods may be inserted, and onto which additional parts may be movably fitted, so as to construct a three-dimensional figure having interlocking parts and movable parts.
    Type: Grant
    Filed: January 30, 1978
    Date of Patent: March 11, 1980
    Inventor: Medilen S. Singh