Patents by Inventor Jeffrey O. Gardner

Jeffrey O. Gardner 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: 4008539
    Abstract: A noise making slip sinker comprising a shell having a distal end which is open and a proximal end with an aperture therein. A guide plug is sealingly received within the distal end of the shell and has an elongated guide portion extending to and sealingly received by the proximal end of the shell. The guide plug has a passageway which extends the length of the guide plug from the aperture in the proximal end of the shell to a point located outside of the distal end of the shell, and at least one rigid ball is contained within the space between the guide portion of the guide plug and the interior wall of the shell.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: February 22, 1977
    Inventor: Jeffrey O. Gardner