Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839482 | Gas-blast breaker | Ulrich Ackermann, Krzysztof Guzek, Arnold Meier | 1989-06-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839482 | Gas-blast breaker | Ulrich Ackermann, Krzysztof Guzek, Arnold Meier | 1989-06-13 |