Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637521 | Earth borer | — | 2003-10-28 |
| 6601659 | Twist drill | Troy D. Wells, Christian Putzi | 2003-08-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637521 | Earth borer | — | 2003-10-28 |
| 6601659 | Twist drill | Troy D. Wells, Christian Putzi | 2003-08-05 |