Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6076836 | Sealing system for a closing flap on a passage orifice | Frank Bretschneider | 2000-06-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6076836 | Sealing system for a closing flap on a passage orifice | Frank Bretschneider | 2000-06-20 |