Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9492691 | Directional valve and respirator product with a directional valve | Michael Rosert, Dennis Leske, Harald Heyer | 2016-11-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9492691 | Directional valve and respirator product with a directional valve | Michael Rosert, Dennis Leske, Harald Heyer | 2016-11-15 |