Patents by Inventor Robert W. Dalton

Robert W. Dalton 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).

  • Flotation machines and components thereof
    Patent number: 4265739
    Abstract: Froth flotation apparatus with mechanical agitation and aeration. Impeliers and diffusers therefor which are more durable and less expensive than the state-of-the-art components.
    Type: Grant
    Filed: January 18, 1980
    Date of Patent: May 5, 1981
    Inventor: Robert W. Dalton