Patents by Inventor Gyorgy Peregi

Gyorgy Peregi 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).

  • Production of graphic patterns
    Patent number: 3973847
    Abstract: A device for producing graphic patterns such as inscriptions on a substrate covered with a light-sensitive layer, in particular on an oxidised aluminum sheet or on an oxidised aluminum foil stuck on to a plastic support film. The substrate is illuminated through a master pattern which has areas transparent to UV light. In a common housing there is provided an illuminating unit, with UV bulbs, a holding frame to press the master pattern onto the substrate, a developing, an etching, a rinsing and a stripping tank.
    Type: Grant
    Filed: July 8, 1974
    Date of Patent: August 10, 1976
    Assignee: Swiss Aluminium Ltd.
    Inventors: Hans-Rudolf Gygax, Gyorgy Peregi