Patents by Inventor Horst Kirschbaum

Horst Kirschbaum 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).

  • Process for producing strings for stringing rackets
    Patent number: 6117383
    Abstract: A process for producing strings for stringing rackets is provided. In accordance with various aspects of the invention, the surface of a string made of plastic is permanently deformed under pressure at normal temperature, it being the case that the surface profile is formed by depressions being impressed in the surface of the string.
    Type: Grant
    Filed: July 24, 1998
    Date of Patent: September 12, 2000
    Assignee: Kirschbaum Sportartikel GmbH
    Inventor: Horst Kirschbaum