Patents by Inventor David G. Cummings

David G. Cummings 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).

  • Rail and glide assembly
    Patent number: 4124918
    Abstract: A one-piece, rail glide system which includes a rail glide which can be assembled from the end or the side of a rail or other support structure with equal ease, said glide being resistent to disassembly from the rail throughout a wide arc of applied loosening forces, and being adaptible to low cost, mass production techniques, including extrusion forming.
    Type: Grant
    Filed: September 19, 1977
    Date of Patent: November 14, 1978
    Assignee: Newell Companies, Inc.
    Inventor: David G. Cummings