Patents by Inventor William R. Crawford

William R. Crawford 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).

  • Latch for a container
    Patent number: 5339973
    Abstract: A container for storing foods or other goods comprising a tray including a bottom and at least one side wall extending upwardly from the bottom, the side wall including a seal flange; a cover including a top and at least one side wall extending downwardly from the top, the side wall of the cover including a second seal flange; wherein each of the seal flanges of the cover and the tray comprise a curved surface, the curved surfaces interlocking over an arc of more than 180.degree. to form a seal between the tray and the cover.
    Type: Grant
    Filed: May 14, 1992
    Date of Patent: August 23, 1994
    Assignee: Genpak Corp.
    Inventors: Richard T. Edwards, Edward W. Rider, Jr., Stephen J. Susta, Jr., William R. Crawford
  • Muffin pan
    Patent number: D346528
    Type: Grant
    Filed: March 20, 1992
    Date of Patent: May 3, 1994
    Assignee: Genpak Corporation
    Inventors: William R. Crawford, Stephen J. Susta, Jr.