Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5392775 | Duckbill valve for a tracheostomy tube that permits speech | Blane P. Marie | 1995-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5392775 | Duckbill valve for a tracheostomy tube that permits speech | Blane P. Marie | 1995-02-28 |