Patents Assigned to Legget & Platt Incorporated
  • Patent number: 4012801
    Abstract: A box spring assembly for use as a foundation for a bed mattress. The assembly comprises a wooden frame, slats, spiral springs, corner coil springs, a border wire, and a welded wire top grid. The spiral springs extend parallel to the wooden slats and are secured at the bottom to the slats and at the top to the welded wire grid. Corner reinforcement and resiliency is provided by four corner coil springs, each of which is secured at the bottom to the wooden frame and at the top to the border wire and grid.
    Type: Grant
    Filed: October 10, 1975
    Date of Patent: March 22, 1977
    Assignee: Legget & Platt Incorporated
    Inventors: John Thomas King, Blondie Butler, Francis R. Struewing, deceased
  • Patent number: D243734
    Type: Grant
    Filed: June 25, 1975
    Date of Patent: March 22, 1977
    Assignees: Legget & Platt Incorporated, International Beverage Supply Displays Inc.
    Inventor: Rafael T. Bustos