Patents by Inventor Alfred C. Soldavini

Alfred C. Soldavini 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).

  • Tennis racket
    Patent number: 4006896
    Abstract: An improved tennis racket is disclosed which includes strings, a frame holding the strings in a common plane, a handle attached to the frame and marking indicia on the handle for insuring proper indexing between the common plane and the player's hand which grips the handle. The marking indicia comprises various combinations of finger grooves cut in the handle surface, bumps or other surface irregularities sensitive to palpation and aligning marks cut into, raised from or painted on the handle surface.
    Type: Grant
    Filed: July 10, 1975
    Date of Patent: February 8, 1977
    Inventor: Alfred C. Soldavini