Patents by Inventor Bart W. R. Stephens

Bart W. R. Stephens 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).

  • Bird feeder
    Patent number: D692191
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: October 22, 2013
    Assignee: EBSCO Industries, Inc.
    Inventors: Bart W. R. Stephens, Howard Unger