Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491344 | Chair adjustment mechanism | William S. Stumpf | 2002-12-10 |
| 6447063 | Chair seat tilt mechanism | — | 2002-09-10 |
| 6378943 | Chair tilt lock mechanisms | Gerard J. Matern | 2002-04-30 |