Patents by Inventor Jeff H. Hoffman

Jeff H. Hoffman 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).

  • Edge-encapsulated writing board
    Patent number: 5727952
    Abstract: A dry marker board including a sheet of material having a writing surface upon which felt tip, erasable ink markers may be used. Preferably, the writing sheet is a sheet of ceramic-on-steel material. A shelf support, preferably made of wood, is mounted on the bottom portion of the writing sheet by fasteners such as nails or screws. Polyurethane is injection molded around the peripheral edge of the writing sheet, encapsulating the peripheral edge and sides of the writing sheet and the shelf support to form a unitary frame with a shelf.
    Type: Grant
    Filed: July 19, 1996
    Date of Patent: March 17, 1998
    Assignee: Classic Modular Systems, Inc.
    Inventors: Robert Schenck, Jeff H. Hoffman, Michael N. Klein