Patents by Inventor Christopher P. Cestaro

Christopher P. Cestaro 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).

  • Stern drive locking collar
    Patent number: 5503578
    Abstract: A device to discourage theft of stern drives of power boat inboard-outboard propulsion units comprises a locking collar installed about the drive shaft at a location between the engine and the transom of the boat to prevent withdrawal of the drive shaft through the transom passage.
    Type: Grant
    Filed: July 12, 1995
    Date of Patent: April 2, 1996
    Inventor: Christopher P. Cestaro