Patents by Inventor Philip Leland Sherman

Philip Leland Sherman 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: 3952431
    Abstract: A coupling between a snow plow and the front of a truck including a housing assembly adapted to be mounted on the truck and a loop and frame member adapted to be mounted on the snow plow. The housing has a convex front surface and a recess in said surface defined by rearwardly converging walls. A hook means is mounted in said recess and is adapted to pivot about an axis between open and closed positions. Means are provided for locking the hook member in its closed position. A frame member is adapted to abut the convex surface on the forward face of the housing member and the loop projects rearwardly from the frame member into the recess where it is held in place by the hook means.
    Type: Grant
    Filed: May 29, 1975
    Date of Patent: April 27, 1976
    Assignee: Gledhill Road Machinery Company
    Inventors: William Gledhill, Philip Leland Sherman