Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7367622 | Tension adjustment mechanism for a chair | Matthew B. Rutman | 2008-05-06 |
| 6820936 | Chair | Larry A. Wilkerson | 2004-11-23 |
| 6619746 | Height-adjustable rotatable chair arm | Gary Kiesgen, Matthew B. Rutman, Larry A. Wilkerson, Robert Leonetti | 2003-09-16 |
| 6588845 | Chair | Larry A. Wilkerson | 2003-07-08 |
| 6533355 | Height-adjustment mechanism for a chair | Michael D. Broekhuis, Patrick Nelson, Stephen J. Simpson | 2003-03-18 |
| 6450577 | Multifunction tilt control with single actuator | — | 2002-09-17 |
| 6425633 | Chair | Larry A. Wilkerson | 2002-07-30 |
| 6422652 | Height adjusting mechanism | Troy Roark | 2002-07-23 |
| 6361110 | Tilt control for chair | Patrick Nelson, Larry A. Wilkerson, Troy Roark, Joel Dral, Steve Simpson +1 more | 2002-03-26 |
| 6279859 | Keyboard pad with reversible mouse pad | Daniel C. K. West, Brian D. T. Alexander, Jim LeClair, Ron Vanderloo, David Tonizzo +1 more | 2001-08-28 |
| 6116688 | Chair | Larry A. Wilkerson | 2000-09-12 |
| 6106070 | Height-adjustable chair arm assembly | Robert T. Ritt, Steve J. Nemeth, Jr. | 2000-08-22 |
| 6059363 | Chairback with side torsional movement | Robert T. Ritt, Patrick Nelson, Larry A. Wilkerson, Joel Dral, John Clark | 2000-05-09 |
| 6027169 | Forward-rearward tilt control for chair | — | 2000-02-22 |
| 6015187 | Tilt control for chair | Patrick Nelson, Larry A. Wilkerson, Troy Roark, Joel Dral, Steve Simpson +1 more | 2000-01-18 |
| 5957534 | Chair | Larry A. Wilkerson | 1999-09-28 |
| 5951109 | Chairback with side torsional movement | Robert T. Ritt | 1999-09-14 |
| 5927662 | Keyboard support with multi-positional mouse pad | Daniel C. K. West | 1999-07-27 |
| 5909924 | Tilt control for chair | — | 1999-06-08 |
| 5853222 | Height-adjustable chair back | Larry A. Wilkerson | 1998-12-29 |
| 5853223 | Height-adjustable chair arm assembly | Robert T. Ritt, Steve J. Nemeth, Jr. | 1998-12-29 |
| 5810439 | Forward-rearward tilt control for chair | — | 1998-09-22 |
| 5647638 | Height-adjustable chair arm assembly | Robert T. Ritt, Steve J. Nemeth, Jr. | 1997-07-15 |
| 5333368 | Chair control with forward tilt | Michael Kriener, Johannes Uhlenbrock, Larry A. Wilkerson | 1994-08-02 |