Patents by Inventor Lloyd M. Sutton

Lloyd M. Sutton 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).

  • Method and apparatus for manufacturing lap desks
    Patent number: 5090334
    Abstract: A lap desk includes a top member and a subplanar element having a port through which a granular material may pass and air passages formed along its perimeter. A flexible casing is attached to the subplanar element and the casing has a border covering the air passages. A flowable granular material is located within the flexible casing and the flexible casing is attached to the perimeter of the subplanar element and the top member is attached to the fabric border of the flexible casing and the subplanar element.
    Type: Grant
    Filed: November 14, 1990
    Date of Patent: February 25, 1992
    Inventor: Lloyd M. Sutton