"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
|6682352||Folding writing board|
A foldable writing board made up of at least four panels attached by hinges or other attachment means so that the board can be folded out flat to become a full size writing board, folded in two to become either a taller or shorter noteboard (folded in a t...
|6468666||Magnetic susceptible markerboard|
A magnetically active laminate is disclosed. The magnetically active laminate is composed of a resin impregnated layer bonded to a distinct, magnetically active sheet. The laminate is especially well suited for use in the construction of erasable markerbo...
|5305114||Electronic blackboard apparatus|
An electronic blackboard apparatus, which reads a writing on a writing sheet fitted on a blackboard framework and which electronically copies the writing onto a recording medium. The apparatus includes a blackboard framework foldable together with the wri...
|4536163||Mechanism for vertically movably supporting a board member on a wall|
A wall board includes a board support mechanism which is adapted to be secured to a vertical wall surface and a board member which is vertically movably supported on the board support mechanism. The board support mechanism includes an arrangement which co...
|4427391||Convertible drawing article of furniture|
A convertible drawing article of furniture includes a support structure and a drawing board which can be mounted on the support structure in a prostrate position or in an upright position, so that the assembly can be used as a drawing desk or as an easel....