Patents by Inventor Fred Chapman

Fred Chapman 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).

  • Concealed retractable housings
    Patent number: 4941718
    Abstract: The drawings illustrate an apparatus for housing articles between a ceiling and a roof, utilizing a switch means for actuating suitable electrically operated pivoting means for retracting the apparatus into the ceiling and lowering it from the ceiling.
    Type: Grant
    Filed: March 21, 1988
    Date of Patent: July 17, 1990
    Assignee: Alexander Machinery, Inc.
    Inventors: William J. Alexander, III, Fred A. Chapman