Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8251069 | Combination bite block, tongue depressor/retractor and airway | Keith Vorst, Arthur B. Robertson | 2012-08-28 |
| 7963286 | Combination bite block, tongue depressor/retractor and airway | — | 2011-06-21 |