Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5213306 | Quick-action flap | Heinrich Lageder, Karel Skala | 1993-05-25 |
| 4556192 | Butterfly valve with servo-motor | — | 1985-12-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5213306 | Quick-action flap | Heinrich Lageder, Karel Skala | 1993-05-25 |
| 4556192 | Butterfly valve with servo-motor | — | 1985-12-03 |