Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D378480 | Lateral adjustment mechanism for a chair armrest support | — | 1997-03-18 |
| 5573303 | Chair seat tilting mechanism | — | 1996-11-12 |
| 5484187 | Chair armrest adjustment mechanism | William S. Stumpf | 1996-01-16 |
| D292459 | Chair control | — | 1987-10-27 |
| D290073 | Chair control | — | 1987-06-02 |
| D289590 | Chair control release and locking cam for tiltable chairs | — | 1987-05-05 |
| D288629 | Chair control release and locking cam for tiltable chairs | — | 1987-03-10 |
| D286975 | Hinge element for chairs or the like | — | 1986-12-02 |
| D285633 | Chair control | — | 1986-09-16 |
| 4534533 | Cover for chair leg | — | 1985-08-13 |
| D278961 | Chair control | — | 1985-05-28 |
| D278012 | Cover for chair leg | — | 1985-03-19 |
| 4412667 | Leg for chair base and cap therefore | — | 1983-11-01 |
| 4253632 | Base portion for tiltable chair | — | 1981-03-03 |