Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4522223 | Double poppet valve | Manfred Balsys, Hans Maier, Franz Georg Miller, Walter Schmid | 1985-06-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4522223 | Double poppet valve | Manfred Balsys, Hans Maier, Franz Georg Miller, Walter Schmid | 1985-06-11 |