Patents by Inventor M. Fillmore Harty

M. Fillmore Harty 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: 4016611
    Abstract: A sofa bed and sofa bed mechanism are disclosed wherein a three-piece support is employed for the sleeping cushioning element which retracts to a conventional sofa configuration and expands easily to provide a bed of conventional sleeping height. The mechanism is simple, rugged and tolerant of manufacturing variations.
    Type: Grant
    Filed: April 2, 1976
    Date of Patent: April 12, 1977
    Assignee: The Dow Chemical Company
    Inventor: M. Fillmore Harty