Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839482 | Gas-blast breaker | Kurt Faller, Krzysztof Guzek, Arnold Meier | 1989-06-13 |
| 4798924 | Compressed-gas breaker | — | 1989-01-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839482 | Gas-blast breaker | Kurt Faller, Krzysztof Guzek, Arnold Meier | 1989-06-13 |
| 4798924 | Compressed-gas breaker | — | 1989-01-17 |