Patents by Inventor Donald R. Ritter

Donald R. Ritter 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: 5205223
    Abstract: A folding table which comprises a table top; two pedestal members; an elongated cross brace member rotatably connected to both of the pedestal members; and hinge assemblies for pivotably connecting the table top to the pedestal members, each of which comprises a radially extending arm section and a leg section which are rotatable a substantial angle with respect to the cross brace member to support the table top in a horizontal position and maintain the folding table in an upright and unfolded conformation.
    Type: Grant
    Filed: April 18, 1991
    Date of Patent: April 27, 1993
    Assignee: Steelcase Inc.
    Inventors: Douglas C. Ball, Donald R. Ritter, Johnny C. Fraga