Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9957855 | Windowed intake valve stem | Rachel E. Chao | 2018-05-01 |
| 9017073 | Disposable prophylaxis angle with improved gear retainer | Roger Madry, Tom Richardson, Jim Curry | 2015-04-28 |