Patents by Inventor Franz Kolterer

Franz Kolterer 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).

  • Patent number: 4019458
    Abstract: A photoresist spraying apparatus for coating both sides of metal sheets with photoresist and including a spray gun for spraying photoresist upon a workpiece, a spray chamber having a filter and exhaust vent for containing any overspray; a rack rotatably mounted within the chamber for holding the workpiece to be sprayed; a spray guide disposed at the front of the chamber in front of the workpiece for guiding the spray gun across the workpiece, and a positioning mechanism for moving the spray gun along the guide.
    Type: Grant
    Filed: September 2, 1976
    Date of Patent: April 26, 1977
    Assignee: Koltron Corporation
    Inventor: Franz Kolterer