Patents by Inventor Jan E. Vanhoutte

Jan E. Vanhoutte 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 having alveoli filled honeycomb reinforcement
    Patent number: 4505480
    Abstract: The present invention relates to an improvement in racket frames reinforced with a honeycomb, characterized in that it comprises filling up at least one selected alveolus of the said honeycomb with a substance having a density of at least 2 kg/dm3.
    Type: Grant
    Filed: March 23, 1983
    Date of Patent: March 19, 1985
    Assignee: Fabrique Nationale Herstal
    Inventor: Jan E. Vanhoutte