Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659427 | Flap valve | Erwin Krimmer, Peter Baur, Christian Lorenz, Klaus Kaiser | 2003-12-09 |
| 6604516 | Flap valve | Erwin Krimmer | 2003-08-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659427 | Flap valve | Erwin Krimmer, Peter Baur, Christian Lorenz, Klaus Kaiser | 2003-12-09 |
| 6604516 | Flap valve | Erwin Krimmer | 2003-08-12 |