Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11173267 | Adjustable tracheostoma valve and heat and moisture exchanger | Neil Markwardt | 2021-11-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11173267 | Adjustable tracheostoma valve and heat and moisture exchanger | Neil Markwardt | 2021-11-16 |