Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9683368 | Encompassing mortarless locking blocks | — | 2017-06-20 |
| 5328543 | Border guide | — | 1994-07-12 |
| 4394716 | Self-contained underwater light assembly | Alfred A. D'Andrea, Sr., Frank Campagna | 1983-07-19 |
| 4371023 | Tubeless tire with insert for preventing collapse in the event of loss of air pressure | — | 1983-02-01 |