Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6244865 | Tongue positioning device with optional filter | Dale H. Nelson | 2001-06-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6244865 | Tongue positioning device with optional filter | Dale H. Nelson | 2001-06-12 |