Patents by Inventor Lawton H. Grosby

Lawton H. Grosby 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).

  • Sinuous band and seat spring assembly
    Patent number: 4715587
    Abstract: A sinuous spring band assembly and a plurality of seat spring assemblies incorporating the sinuous spring band assembly. Each sinuous spring band assembly has a torsion bend complex at its front end and another torsion bend complex at its back end. The bend complex at the front end is pivotably connected by a link member to the front rail of the seat spring assembly. The bend complex at the back end is pivotably connected by a link member to the back rail of the seat spring assembly. The front end bend complex comprises a pair of downward bends and the front end bend complex comprises a single upward bend.
    Type: Grant
    Filed: April 7, 1986
    Date of Patent: December 29, 1987
    Assignee: Morley Furniture Spring Corporation
    Inventor: Lawton H. Grosby