Patents by Inventor Allen Sigmon

Allen Sigmon 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).

  • Seating suspension assembly and method
    Patent number: 6056278
    Abstract: A seating suspension assembly provides efficiency in the manufacture of upholstered furniture such as chairs, sofas or the like. The preferred form of the invention comprises a pair of flexible, durable fabric straps having coil springs fixedly positioned therebetween. The fabric can be attached to a rigid wooden chair seat frame and the suspension assembly stapled or tacked thereto. The coil springs are thus suspended between the front and back of the frame. Upon upholstering, the suspension assembly provides a comfortable, crowned seat for the user. A method of forming the seating suspension assembly is also disclosed.
    Type: Grant
    Filed: December 4, 1998
    Date of Patent: May 2, 2000
    Assignee: Leggett and Platt, Inc.
    Inventors: Larry I. Bullard, Allen Sigmon, Roger Tornero
  • Seating suspension assembly formation method
    Patent number: 5894664
    Abstract: A seating suspension assembly provides efficiency in the manufacture of upholstered furniture such as chairs, sofas or the like. The preferred form of the invention comprises a pair of flexible, durable fabric straps having coil springs fixedly positioned therebetween. The fabric can be attached to a rigid wooden chair seat frame and the suspension assembly stapled or tacked thereto. The coil springs are thus suspended between the front and back of the frame. Upon upholstering, the suspension assembly provides a comfortable, crowned seat for the user. A method of forming the seating suspension assembly is also disclosed.
    Type: Grant
    Filed: August 22, 1997
    Date of Patent: April 20, 1999
    Assignee: Leggett and Platt, Inc.
    Inventors: Larry I. Bullard, Allen Sigmon, Roger Tornero
  • Seating suspension assembly
    Patent number: 5700060
    Abstract: A seating suspension assembly provides efficiency in the manufacture of upholstered furniture such as chairs, sofas or the like. The preferred form of the invention comprises a pair of flexible, durable fabric straps having coil springs fixedly positioned therebetween. The fabric can be attached to a rigid wooden chair seat frame and the suspension assembly stapled or tacked thereto. The coil springs are thus suspended between the front and back of the frame. Upon upholstering, the suspension assembly provides a comfortable, crowned seat for the user.
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: December 23, 1997
    Assignee: Leggett and Platt, Inc.
    Inventors: Larry I. Bullard, Allen Sigmon, Roger Tornero