Patents by Inventor William C. Hawthorne

William C. Hawthorne 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).

  • Transport of materials with controlled lowering before upset
    Patent number: 5028201
    Abstract: Apparatus for the transport of materials by elevating a stack of materials, moving a selected group of the materials and controllably lowering the materials to an upset position, from which the group is moved simultaneously to an output position.
    Type: Grant
    Filed: November 26, 1986
    Date of Patent: July 2, 1991
    Inventor: William C. Hawthorne