Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11554233 | Powered apparatus for a personal protection respiratory device | John A. Duff, Benjamin H. Cooper, Henning T. Urban | 2023-01-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11554233 | Powered apparatus for a personal protection respiratory device | John A. Duff, Benjamin H. Cooper, Henning T. Urban | 2023-01-17 |