Patents by Inventor Raphael Daniel Nettesheim

Raphael Daniel Nettesheim 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).

  • Cast impregnated molding plate for molding printing plates
    Patent number: 4020138
    Abstract: A molding plate for use in molding printing plates. A type-form plate bearing raised printing or indicia is coated with graphite and placed in a mold cavity with the printed surface being at an angle to the vertical and facing upwardly. A liquid thermosetting resin containing reinforcement is poured into the mold cavity and air is expelled from the upper end of the cavity. The resulting cured thermosetting resin plate has recessed printing impregnated with graphite and serves as a molding plate for forming printing plates from rubber or other materials.
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: April 26, 1977
    Assignee: Schwaab, Inc.
    Inventors: Raphael Daniel Nettesheim, Robert R. Guyer