Patents by Inventor Erik Englund

Erik Englund 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).

  • Hull of a boat, provided with keel and rudder
    Patent number: 4453484
    Abstract: A hull (8) of a boat, having a keel (9) and a rudder (10). Both the rudder and the keel can be swung about an axis (14) extending in the longitudinal direction of the hull.
    Type: Grant
    Filed: October 30, 1981
    Date of Patent: June 12, 1984
    Inventor: Erik Englund