Patents by Inventor Paul Costain

Paul Costain 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).

  • Quick coupling cue stick
    Patent number: 5518455
    Abstract: A multiple piece cue stick includes multiple stick portions which are coupled together by a sleeve bushing secured to one stick portion and a coupling rod secured to another stick portion. The coupling rod has a elongate shaft which fits within a smooth bore of the sleeve bushing and is coupled to the sleeve bushing by engaging male threads of the coupling rod with female threads of the sleeve bushing.
    Type: Grant
    Filed: June 16, 1994
    Date of Patent: May 21, 1996
    Assignee: Paul Costain
    Inventors: Paul Costain, Gary Fumarola