| 6966604 |
Chair with a linkage assembly |
William E. Stumpf, Rodney C. Schoenfelder, Donald Chadwick, Carolyn Keller, Timothy P. Coffield +4 more |
2005-11-22 |
| 6755473 |
Fluid control system for an office furniture device |
Stewart D. Reed, James M. Schaddelee, Steven Panse |
2004-06-29 |
| 6386634 |
Office chair |
William E. Stumpf, Rodney C. Schoenfelder, Donald Chadwick, Carolyn Keller, Timothy P. Coffield +4 more |
2002-05-14 |
| 6349907 |
Height adjustable glide device |
Geoff Hollington, Dean D. Achterhof, Michael L. De Pree |
2002-02-26 |
| 6119989 |
Support assembly with a storable foot support |
Geoff Hollington, Dean D. Achterhof, Cecil P. Craycraft, Michael L. De Pree |
2000-09-19 |
| 6068041 |
Adjustable partition assembly |
Eric Chan |
2000-05-30 |
| 5772282 |
Tilt control mechanism for a chair |
William E. Stumpf, Rodney C. Schoenfelder, Donald Chadwick, Carolyn Keller, Timothy P. Coffield +4 more |
1998-06-30 |
| 5765804 |
Pneumatic support colunm for a chair |
William E. Stumpf, Rodney C. Schoenfelder, Donald Chadwick |
1998-06-16 |
| 4795212 |
Chair back adjustment |
Charles E. Bailey |
1989-01-03 |