Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7946538 | External point spring locking device | Dilson Santos Rodrigues, Rick Presley | 2011-05-24 |
| 7861979 | Dragging equipment detector | — | 2011-01-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7946538 | External point spring locking device | Dilson Santos Rodrigues, Rick Presley | 2011-05-24 |
| 7861979 | Dragging equipment detector | — | 2011-01-04 |