Patents by Inventor David L. Ott

David L. Ott 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).

  • Rope pulling device
    Patent number: 5237722
    Abstract: A device for use in hand pulling of rope wherein the rope includes a fixed enlarged section such as a knot. The device has an elongated, graspable, rod-like body which has a transverse slot located at the approximate longitudinal mid-point of the body. The rope is to be slipped into the slot with the knot abutting against the inside surface of the body.
    Type: Grant
    Filed: April 9, 1992
    Date of Patent: August 24, 1993
    Inventor: David L. Ott