Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11141613 | Wall gap fire block device, system and method | Donald Anthony Pilz | 2021-10-12 |
| 11041306 | Two-piece track system | Donald Anthony Pilz, Fernando Hernandez Sesma | 2021-06-22 |