Patents by Inventor Dale DeWitt

Dale DeWitt 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).

  • Display apparatus
    Patent number: 5388359
    Abstract: A display apparatus comprising a U-shaped member having a bore extending through a bight portion along an axis perpendicular thereto where the bore is characterized by having a polysided cross section adapted to coact with a polysided plug having preselected dimensions so that the plug may fit within the bore. The bore and the plug have tapered complementary sides so that a snug fit is provided. The number of sides may be infinite so as to produce a bore having a circular cross section.
    Type: Grant
    Filed: December 15, 1993
    Date of Patent: February 14, 1995
    Assignee: Acrylic Design & Fabricators Inc.
    Inventor: Dale DeWitt