Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047205 | Gas-mixing device for respirators | Tilman von BLUMENTHAL, Ralf Lorenzen, Bernhard Ludwig, Frank Oelgarth | 2011-11-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047205 | Gas-mixing device for respirators | Tilman von BLUMENTHAL, Ralf Lorenzen, Bernhard Ludwig, Frank Oelgarth | 2011-11-01 |