Patents by Inventor Robert N. Prostko

Robert N. Prostko 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).

  • Movable shade system
    Patent number: 5111866
    Abstract: A shade covering a window movable from a first position to a second position and a plurality of shade carriers supporting the shade in spaced, parallel relationship to each other and disposed substantially perpendicular to tracks, with the carriers secured to and movable in the tracks. Slides are affixed to the carriers, seated in the tracks and movable therein, and a retaining device is provided between at least one of the slides and carriers releasably firmly holding the slide in any desired position in the tracks.
    Type: Grant
    Filed: June 5, 1991
    Date of Patent: May 12, 1992
    Inventor: Robert N. Prostko