Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6374927 | Pipe retention and cartridge locking system for a horizontal directional drill | Mark Guterman | 2002-04-23 |
| 6371683 | Stakedown assembly coupling for a horizontal directional drill | Robert G. Draney | 2002-04-16 |