Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8944063 | Tracheostoma valve | Gijsbertus Jacobus Verkerke, Bernandus Franciscus Augustinus Maria van der Laan | 2015-02-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8944063 | Tracheostoma valve | Gijsbertus Jacobus Verkerke, Bernandus Franciscus Augustinus Maria van der Laan | 2015-02-03 |