Patents by Inventor Karl-Heinz Waeger

Karl-Heinz Waeger 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: 4974845
    Abstract: A racket has a racket frame (1) and a handle portion provided with an outer shell embracing at least the racket frame. The outer shell, which is wear-resistent and made of tough synthetic plastic material, has at least one slot which has edges that can be connected with one another along mutually opposing edges. The outer shell can be a slotted tube or hose fitted onto the frame, or a pre-shaped outer shell corresponding to the outer contour of the frame with at least one slot, or an outer shell having at lest first and second shell portions (2, 3) that are at least partially embracing the racket frame to provide reliable protection at the edges or rounded areas of the frame.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: December 4, 1990
    Assignee: Head Sportgeraete Gesellschaft m.b.H. & Co. OHG.
    Inventors: Helmut Umlauft, Karl-Heinz Waeger