Patents Assigned to Smith System Manufacturing Company
  • Y-component with peg for a student desk
    Patent number: D470349
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: February 18, 2003
    Assignee: Smith System Manufacturing Company
    Inventor: Charles Risdall
  • Furniture leg support apparatus with a projection for suspending a separate article
    Patent number: D480239
    Type: Grant
    Filed: September 13, 2002
    Date of Patent: October 7, 2003
    Assignee: Smith System Manufacturing Company
    Inventor: Charles A. Risdall
  • Desk
    Patent number: D480583
    Type: Grant
    Filed: February 3, 2003
    Date of Patent: October 14, 2003
    Assignee: Smith System Manufacturing Company
    Inventor: William Risdall
  • Chair
    Patent number: D426973
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: June 27, 2000
    Assignee: Smith System Manufacturing Company
    Inventor: Charles Risdall
  • Reinforced chair
    Patent number: D427444
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: July 4, 2000
    Assignee: Smith System Manufacturing Company
    Inventor: Charles Risdall
  • Kidney-shaped table
    Patent number: D431939
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: October 17, 2000
    Assignee: Smith System Manufacturing Company
    Inventor: Charles Risdall
  • Rectangular table
    Patent number: D432334
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: October 24, 2000
    Assignee: Smith System Manufacturing Company
    Inventor: Charles Risdall