Patents by Inventor Slavoljub E. Macuka

Slavoljub E. Macuka 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).

  • Roll display device
    Patent number: 4171585
    Abstract: A roll display device having a pair of roll mounting cylinders, an expandable frame rotatably mounting the cylinders at the ends of the frame and a base support for the frame. Each mounting cylinder has means for quickly clamping a roll end on it. Means are provided for rotating each mounting cylinder to wind or unwind a roll on or off it thus moving the roll, in either direction across the frame.
    Type: Grant
    Filed: January 13, 1978
    Date of Patent: October 23, 1979
    Inventor: Slavoljub E. Macuka