Patents by Inventor Bernard A. Doak

Bernard A. Doak 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).

  • Snow plow dolly
    Patent number: 7494137
    Abstract: An improved snow plow dolly having a low center of gravity for improved stability when supporting a snow plow, together with front and lateral support members to retain the snow plow in place during movement.
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: February 24, 2009
    Inventor: Bernard A. Doak
  • Snow plow dolly
    Publication number: 20070193073
    Abstract: An improved snow plow dolly having a low center of gravity for improved stability when supporting a snow plow, together with front and lateral support members to retain the snow plow in place during movement.
    Type: Application
    Filed: February 17, 2006
    Publication date: August 23, 2007
    Inventor: Bernard Doak