Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7520347 | Stair chair with an adjustable glide track resistance and braking device | Charles Scott Chambliss, Timothy J. Dietz | 2009-04-21 |
| D519064 | Stair chair | Donald Bierman, Timothy J. Dietz, Charles Scott Chambliss | 2006-04-18 |
| 6111231 | Temperature control system for an electric heating element | David N. Corson, Mark A. Baker | 2000-08-29 |