Patents by Inventor Berthold Kümmerle

Berthold Kümmerle 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).

  • Arrowhead and method of attaching same to an arrow shaft
    Patent number: 6739992
    Abstract: An arrowhead for attachment onto a cylindrical wooden arrow body of an arrow has an impact tip and a body-receiving area having following one another in a flight direction: a centering section, internal thread, and sheathing section.
    Type: Grant
    Filed: May 15, 2003
    Date of Patent: May 25, 2004
    Assignee: Gebr. Kümmerle GmbH
    Inventor: Berthold Kümmerle