Patents by Inventor Charles R. Thalken

Charles R. Thalken 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).

  • Double window shade assembly with independent shade movement
    Patent number: 4953610
    Abstract: A window shade assembly is provided that includes a pair of independently movable shades, which are located in a front-to-back relationship. The front shade is made of a substantially translucent or light passing material while the back shade is made of a substantially opaque or light blocking material. The user of the window shade assembly is able to adjust one or both of the front and back shades to control where outside light is able to pass through the assembly including the amount of outside light that passes through the front shade or passes directly into the room without passing through the front shade.
    Type: Grant
    Filed: March 17, 1989
    Date of Patent: September 4, 1990
    Assignee: Ultimate Window Coverings, Inc.
    Inventors: William R. Phillips, Blaine A. Bush, John J. O'Brien, Charles R. Thalken
  • Double window shade assembly with independent shade movement
    Patent number: RE34273
    Abstract: A window shade assembly is provided that includes a pair of independently movable shades, which are located in a front-to-back relationship. The front shade is made of a substantially translucent or light passing material while the back shade is made of a substantially opaque or light blocking material. The user of the window shade assembly is able to adjust one or both of the front and back shades to control where outside light is able to pass through the assembly including the amount of outside light that passes through the front shade or passes directly into the room without passing through the front shade.
    Type: Grant
    Filed: August 28, 1991
    Date of Patent: June 8, 1993
    Assignee: Ultimate Window Coverings, Inc.
    Inventors: William R. Phillips, Blaine A. Bush, John J. O'Brien, Charles R. Thalken