Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5244253 | Height adjustment control for a chair | Geoffrey A. Hollington, Lynne M. Allen, Robert A. Nagelkirk | 1993-09-14 |
| 5192114 | Tilt adjustment control for a chair | Geoffrey A. Hollington, Robert A. Nagelkirk, Lynne M. Allen | 1993-03-09 |
| 5106157 | Chair height and tilt adjustment mechanisms | Robert A. Nagelkirk, Lynne M. Allen | 1992-04-21 |
| 4700495 | Heater assembly and mounting arrangement for a dryer | Reinhold A. Drews, Karl Jautakis | 1987-10-20 |