Patents by Inventor R. Kingsbury Chase

R. Kingsbury Chase 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: 6519881
    Abstract: A stretcher frame assembly for supporting a painting canvas includes a frame having side members fixed to each other at ends thereof, a front face defined by the frame side members declining inwardly from a peripheral surface thereof, and inwardly-extending portions of the frame side members defining inwardly extending flanges having front and rear planar surfaces. A stiff front panel is fixed to the frame with outer peripheral portions of the front panel disposed on and connected to the flange front surfaces. A stiff back panel is fixed to the frame with outer peripheral portions of the back panel disposed on and connected to the flange rear surfaces.
    Type: Grant
    Filed: October 25, 2001
    Date of Patent: February 18, 2003
    Inventor: R. Kingsbury Chase