Patents by Inventor Roger H. Stone

Roger H. Stone 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 enclosures
    Patent number: 5546893
    Abstract: A bird enclosure is constructed from two interengaging sections 1 and 7 which are nested within one another to create a cavity between the overlapping side walls 2 and 8. This cavity provides a space to receive a feed tube 17 leading from a water reservoir 15 down to a feed valve which projects into the interior of the enclosure. The front wall of the enclosure will be a mesh panel through which the birds can be viewed.
    Type: Grant
    Filed: September 1, 1994
    Date of Patent: August 20, 1996
    Inventor: Roger H. Stone