Patents by Inventor Douglas R. Durham

Douglas R. Durham 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).

  • Balanced serving tray with removable trash receptacle
    Patent number: 4579243
    Abstract: A serving tray is disclosed including an upper tray interconnected by a box structure to a lower tray. The upper tray has a flat planar configuration and a bottom surface which is held by the server using the tray. The interconnecting structure extends downwardly to connect to the lower tray which has multiple compartments for storage. An access notch for napkins is provided in the lower tray as is a removable storage receptacle for waste items. The center of gravity of the entire device is below the point where the arm and hand of the server support the upper tray through openings in the interconnecting box structure.
    Type: Grant
    Filed: June 22, 1984
    Date of Patent: April 1, 1986
    Inventor: Douglas R. Durham
  • Tiered and self-balancing serving tray
    Patent number: D962005
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: August 30, 2022
    Inventor: Douglas R. Durham