Patents by Inventor Donald Arthur Thomson

Donald Arthur Thomson 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: 8307786
    Abstract: Feeder protection apparatus comprising a plurality of side panels attached around a periphery of the base of the feeder by a plurality of fasteners. Each side panel comprises a generally rectangular sheet configured to be oriented generally perpendicular to the base when attached thereto and to extend above and below the base.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: November 13, 2012
    Inventors: Kelvin Spencer Chiddick, Donald Arthur Thomson
  • Publication number: 20120192795
    Abstract: Feeder protection apparatus comprising a plurality of side panels attached around a periphery of the base of the feeder by a plurality of fasteners. Each side panel comprises a generally rectangular sheet configured to be oriented generally perpendicular to the base when attached thereto and to extend above and below the base.
    Type: Application
    Filed: January 28, 2011
    Publication date: August 2, 2012
    Inventors: Kelvin Spencer Chiddick, Donald Arthur Thomson