Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5395160 | Armrest assembly for a dental chair | Thomas Brink | 1995-03-07 |
| 5340953 | Switch controller | Shawn R. Irwin | 1994-08-23 |
| D347946 | Dental chair | Carl G. Nordstrom | 1994-06-21 |
| 5320415 | Armrest assembly for a dental chair | — | 1994-06-14 |
| D343826 | Foot switch controller | Shawn R. Irwin | 1994-02-01 |
| 5267778 | Position control for a dental chair | Bradley A. Rice, El Don L. Hoven | 1993-12-07 |
| 5190349 | Dental chair | George K. Austin, Jr., El Don L. Hoven, Tony J. Tewell, Shawn R. Irwin, Bradley A. Rice | 1993-03-02 |
| 4335886 | Labyrinth seal with current-forming sealing passages | Max Frey | 1982-06-22 |