Patents by Inventor George H. N. Chamberlain

George H. N. Chamberlain 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).

  • Peg boards
    Patent number: 4005539
    Abstract: A peg-board comprising a body secured to a sheet of a resiliently deformable material, the sheet having a flock-like finish and being formed with a plurality of similar apertures therethrough, and the apertures being arranged as a regular lattice of intersecting rows and columns, whereby an elongate pin formed on a character, and having a lateral dimension greater than the largest lateral dimension of an aperture, can be pushed through one of said apertures and be firmly gripped by a resilient deformation of at least the sheet.
    Type: Grant
    Filed: March 27, 1975
    Date of Patent: February 1, 1977
    Assignee: Signco Limited
    Inventor: George H. N. Chamberlain