Patents by Inventor H. Frank Sullivan

H. Frank Sullivan 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).

  • Canoe stabilizing and guide mechanism
    Patent number: 4862818
    Abstract: A canoe stabilizing and guiding mechanism which includes a bracket to which is mounted a vertically depending canoe paddle, the bracket being mounted on a tube for pivoting therewith, the tube extending transversely of a canoe and dimensioned to place the bracket and canoe paddle outboard of the canoe, the tube being provided with quick disconnect attaching plates for releasably engaging the gunwales of a canoe.
    Type: Grant
    Filed: January 11, 1989
    Date of Patent: September 5, 1989
    Assignee: Navillus, Inc.
    Inventor: H. Frank Sullivan