Patents by Inventor Betty R. Walker

Betty R. Walker 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: 5055083
    Abstract: A toy store is disclosed that when stored is a single-story, box-like structure, and when in use, walls are movable to form a second floor. Store related fixture accessories are provided.
    Type: Grant
    Filed: November 29, 1990
    Date of Patent: October 8, 1991
    Inventors: Robert Walker, Betty R. Walker