Patents by Inventor Katherene J. Kirchner

Katherene J. Kirchner 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).

  • Convertible bird box
    Patent number: 5746156
    Abstract: A convertible bird box as illustrated has upper and lower entrance openings located in a pivoting front wall panel to create an upper roosting perch and a lower nesting location. A closure having a single opening rotates between the upper and lower entrance openings to selectively create a nesting box and a roosting box. The invention further describes a method for selectively forming a winter roosting box and a spring nesting box.
    Type: Grant
    Filed: February 14, 1996
    Date of Patent: May 5, 1998
    Assignee: Wild Bird Centers of America, Inc.
    Inventors: George H. Petrides, Katherene J. Kirchner