Patents by Inventor Alan E. Zwicky

Alan E. Zwicky 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).

  • Marine propeller and hub assembly
    Patent number: 4826404
    Abstract: A hub assembly comprising a driver telescoped within a driven member is disclosed. A plurality of elastomeric members are disposed between the driving and driven members within mating parallel semi-circular grooves in the opposed surfaces of the driving and driven members of the hub.
    Type: Grant
    Filed: May 16, 1988
    Date of Patent: May 2, 1989
    Inventor: Alan E. Zwicky