Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6439256 | Switchable flap valve | Lothar Koelsch, Gerhard Kranz, Christoph Metz, Frank Schroeter, Hans-Joachim Faulstroh | 2002-08-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6439256 | Switchable flap valve | Lothar Koelsch, Gerhard Kranz, Christoph Metz, Frank Schroeter, Hans-Joachim Faulstroh | 2002-08-27 |