Patents by Inventor George L. van der Heiden

George L. van der Heiden 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).

  • Drawer, particularly for a card index
    Patent number: 4173379
    Abstract: A card index drawer comprising bottom (2) and wall panels (3, 4, 5, 6) manufactured as individual parts, having panel connections formed by pairwise interengaging marginal portions (9, 11, 12, 15, 17, 18) of adjacent panels, effected by mutual telescoping, wherein stop members (27, 28) or stop members (25, 26) can be provided which determine the assembly end position of the telescoping of marginal portions of adjacent panels in the sense of sliding into one another, and prevent marginal portions of adjacent panels from telescoping in the sense of sliding out of the assembly end position.
    Type: Grant
    Filed: April 21, 1977
    Date of Patent: November 6, 1979
    Assignee: George Laurens van der Heiden
    Inventors: George L. van der Heiden, Karl H. Larsson