Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973806 | Compressed-air breaker | Peter Kirchesch | 1990-11-27 |
| 4839482 | Gas-blast breaker | Ulrich Ackermann, Kurt Faller, Krzysztof Guzek | 1989-06-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973806 | Compressed-air breaker | Peter Kirchesch | 1990-11-27 |
| 4839482 | Gas-blast breaker | Ulrich Ackermann, Kurt Faller, Krzysztof Guzek | 1989-06-13 |