Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6062322 | Precussive down-the-hole rock drilling hammer | Rainer Beccu, Kenneth Ahlhorn | 2000-05-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6062322 | Precussive down-the-hole rock drilling hammer | Rainer Beccu, Kenneth Ahlhorn | 2000-05-16 |