Patents by Inventor Michael P. Canfield

Michael P. Canfield 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: 4068779
    Abstract: A foamed plastic cooler and handle combination comprising a foamed plastic container having an essentially upright side wall, the exterior of the side wall including a downwardly facing shoulder extending at least partially around the side wall, a frame lying adjacent the exterior of the side wall immediately below the downwardly facing shoulder and extending perimetrically around the exterior of the side wall of the container, and a flexible, continuous rope handle threaded through apertures in the frame. The container is lifted by the flexible rope, and the force required to lift the container and its contents is distributed along the downwardly facing shoulder on the exterior of the side wall of the container.
    Type: Grant
    Filed: December 1, 1975
    Date of Patent: January 17, 1978
    Inventor: Michael P. Canfield