Patents by Inventor Alan B. Margison

Alan B. Margison 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: 4440409
    Abstract: A boat transporter has a single wheel rotatably supported in a cradle. The cradle is formed from a pair of frames which are spaced on opposite sides of the wheel. The boat is supported on the cradle and held by a strap. The boat which projects on either side of the cradle may then be rolled across a portage. To facilitate storage, the cradle is collapsible.
    Type: Grant
    Filed: July 13, 1981
    Date of Patent: April 3, 1984
    Inventor: Alan B. Margison