Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7975515 | Tamper resistant locking device for underground enclosures and method | Emilio Ygnelzi | 2011-07-12 |
| 7560642 | Tamper resistant locking cap for utility poles and method | Emilio Ygnelzi | 2009-07-14 |