Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11802448 | Drawworks apparatus and method | Roy Cabrera | 2023-10-31 |
| 11549317 | Drawworks apparatus and method | Roy Cabrera | 2023-01-10 |
| 10982495 | Drawworks apparatus and method | Roy Cabrera | 2021-04-20 |