Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6027280 | Interlocking paving block with interior illumination capability | Eric Petrilla | 2000-02-22 |
| 5908263 | Embedded light fixture preform for poured concrete structures | Eric Petrilla | 1999-06-01 |