Patents by Inventor Stefan Lindeberg

Stefan Lindeberg 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: 4737126
    Abstract: A blade (9) for a paddle intended for paddling a canoe or corresponding water-craft, which paddle comprises a paddle shaft and a blade arranged on at least one end of the paddle shaft and intended to be inserted fully or partially into the water with the main-extension plane of the blade located substantially transversally to the longitudinal axis of the canoe or like watercraft during a so-called paddle stroke for forward propulsion of the canoe, where the one side (12") of the blade, which is intended to face forwards relative to the intended direction of travel, the front face (12") of the blade, is curved.
    Type: Grant
    Filed: June 20, 1985
    Date of Patent: April 12, 1988
    Inventors: Stefan Lindeberg, Leif Hakansson