Patents by Inventor Charles O. Bricker

Charles O. Bricker 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).

  • Pet door
    Patent number: 3985174
    Abstract: A pet door installed in a window screen or screen door consisting of a screen frame member having a frame track in which a spline cord can hold the edge of a cut off portion of a screen door or window together with first and second outer members which are coupled to the center screen frame member, one of the outer members having a hinged center portion for allowing a pet to pass through from either side.
    Type: Grant
    Filed: June 24, 1975
    Date of Patent: October 12, 1976
    Inventor: Charles O. Bricker