Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640939 | Snubbing unit with improved slip assembly | — | 2003-11-04 |
| 6631792 | Low friction slip assembly | — | 2003-10-14 |
| 6619160 | Sliding jaw adaptor for pivoting jaw power tong | Daniel S. Bangert | 2003-09-16 |