Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10827244 | Breathing tube adapter for a respirator with an internal speaker | David A. Ward | 2020-11-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10827244 | Breathing tube adapter for a respirator with an internal speaker | David A. Ward | 2020-11-03 |