Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10989622 | Leak test machine for cylinder head, engine block, or a similar workpiece | Antonio Alvarez | 2021-04-27 |
| 8819909 | Tool for attaching valve keys to the valve of the engine | Antonio Alvarez | 2014-09-02 |