Patents by Inventor Geoffrey F. Ratte

Geoffrey F. Ratte 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).

  • Bismuth and bismuth alloy fishing sinker
    Patent number: 6325136
    Abstract: An improved fishing sinker having a specific gravity sufficiently high so as to provide sufficient weight without undue bulkiness with the fishing sinker having a body of material formed from bismuth or an alloy of bismuth and a method of casting a bismuth containing sinker in order to have the sinker release from the mold as well as a method of forming a runner attachment to the fishing sinker to enable quick and clean removal of the solidified runner from the solidified fishing sinker.
    Type: Grant
    Filed: April 5, 2000
    Date of Patent: December 4, 2001
    Assignee: Water Gremlin-Co.
    Inventors: Robert W. Ratte, Douglas P. Ferron, Thomas P. Donohoe, Geoffrey F. Ratte