Patents by Inventor Julius Kellener

Julius Kellener 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: 5050662
    Abstract: A louver system consisting a plurality of slats depending from a mounting to form a screen, the slats being collectively displacable and rotatable, individual slats being multi-layered over at least a part of their length, said multi-layered slats being coordinated with other multi-layered slats to permit the formation of designs in the face of the screen.
    Type: Grant
    Filed: August 13, 1990
    Date of Patent: September 24, 1991
    Assignee: Julius Kellener
    Inventor: Julius Kellener