Patents by Inventor David O. Rath

David O. Rath 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).

  • Butter bean shelling device
    Patent number: D343985
    Type: Grant
    Filed: April 12, 1991
    Date of Patent: February 8, 1994
    Inventor: David O. Rath