Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11464599 | Specimen marking mechanism | David A. Opperman | 2022-10-11 |
| 10111727 | Surgical specimen marking mechanism | David A. Opperman | 2018-10-30 |
| 9750915 | Nasal cannula comfort tip | David A. Opperman | 2017-09-05 |