Patents by Inventor Francis Warwick Deuchar

Francis Warwick Deuchar 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).

  • Lever systems particularly useful for furniture
    Patent number: 3954195
    Abstract: An article of furniture or mobile trolley is provided with a two lever system mounted on the frame of the article having a pivotal liftable member which is the seat cushion or trolley base. The liftable member is movable to an inclined position in response to selective actuation of the lever system to assist a person to move from the chair or to remove goods from the trolley.
    Type: Grant
    Filed: December 10, 1974
    Date of Patent: May 4, 1976
    Inventor: Francis Warwick Deuchar