Patents by Inventor Alan J. Whitcroft

Alan J. Whitcroft 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: 4157846
    Abstract: A motor vehicle having a sliding door assembly in which a sliding door is movable between an open position wherein said door is suspended parallel to and adjacent a side of said vehicle and a closed position wherein said door fills an opening in said vehicle side and lies flush with said vehicle side.
    Type: Grant
    Filed: October 26, 1977
    Date of Patent: June 12, 1979
    Assignee: General Motors Corporation
    Inventor: Alan J. Whitcroft