Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5288045 | Chair base | Thomas M. Edwards | 1994-02-22 |
| 5249768 | Chair base | Thomas M. Edwards | 1993-10-05 |
| 5244253 | Height adjustment control for a chair | Geoffrey A. Hollington, Lynne M. Allen, Mark E. Kuyper | 1993-09-14 |
| 5192114 | Tilt adjustment control for a chair | Geoffrey A. Hollington, Lynne M. Allen, Mark E. Kuyper | 1993-03-09 |
| 5106157 | Chair height and tilt adjustment mechanisms | Lynne M. Allen, Mark E. Kuyper | 1992-04-21 |
| 4320935 | Structural support system with load control | — | 1982-03-23 |