Patents by Inventor John D. Ocwieja

John D. Ocwieja 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: 6312309
    Abstract: A bow-hunters horn rattling apparatus for attracting deer by making sound like that of deer horns clashing.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: November 6, 2001
    Inventor: John D. Ocwieja