Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D482249 | Trench clean-out shovel | Christopher S. Larson, Bob Denman | 2003-11-18 |
| D481918 | Trench clean-out shovel | Christopher S. Larson, Bob Denman | 2003-11-11 |
| D477193 | Trench digging shovel | Christopher S. Larson, Bob Denman | 2003-07-15 |
| D476201 | Mattock | Christopher S. Larson, Bob Denman | 2003-06-24 |