Patents by Inventor Herbert Glaessgen

Herbert Glaessgen 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).

  • Patent number: 4693474
    Abstract: The invention relates to a games racket having a strung head and additional structure for adjusting the playing properties of the racket. Removable weights are attached to the circumference of the head by way of carrier members which are secured to the head in the region of the transverse axis through the center of percussion of the racket. The carrier members have recesses into which the weights can be inserted.
    Type: Grant
    Filed: June 24, 1985
    Date of Patent: September 15, 1987
    Assignee: Dunlop Limited a British Company
    Inventors: Herbert Glaessgen, Wolfgang Kleinheinz