Patents by Inventor James Krone

James Krone 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).

  • Sports racket frame
    Patent number: 5419554
    Abstract: A sports racket frame including a head portion and a handle portion formed from unidirectional high strength fibers impregnated with thermoplastic resin in the form of a sheet containing a plurality of adjacent strips in which the unidirection of the fibers in the strips are at different angles. The strips are made from unidirectional composite thermoplastic tape, and the sheet is rolled into an elongated hollow tube. Yoke components are also constructed from the composite material and the rolled hollow tube and yoke components are formed in the shape of a racket frame.
    Type: Grant
    Filed: August 30, 1993
    Date of Patent: May 30, 1995
    Assignee: Quadrax Corporation
    Inventors: James Krone, Leslie E. Smith