Patents by Inventor Francis S. Van Dyck

Francis S. Van Dyck 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).

  • Metallic tennis racket with torsion-resistant handle
    Patent number: 4441713
    Abstract: A racket of the type formed from a single metallic profile, shaped so as to define the frame, the throat-piece and the tail of the racket, the tail being defined by two mutually parallel ends of the profile, characterized in that the parallel ends are rigidly locked in relation to each other by means of at least one metallic plate disposed substantially along the whole length of the tail. In the handle portion of the racket, a metal honeycomb is disposed between the parallel ends of the profile.
    Type: Grant
    Filed: April 7, 1982
    Date of Patent: April 10, 1984
    Assignee: Fabrique Nationale Herstal
    Inventors: Francis S. Van Dyck, Thierry M. Dumortier