Patents by Inventor Edward Gajtka

Edward Gajtka 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).

  • Interchangeable window covering system
    Patent number: 6516857
    Abstract: An interchangeable window covering system for providing a plurality of interchangeable widow coverings for a window. The interchangeable window covering system includes a frame member that is designed to be attached to a window, and a plurality of interchangeable window coverings designed to be selectively coupled to the frame member as desired.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: February 11, 2003
    Inventors: Edward Gajtka, Sandra M. Gajtka