Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817154 | Environment resistant retaining wall block and methods of use thereof | John Fitzgerald Dolan | 2004-11-16 |
| 6695544 | Environment resistant retaining wall planter block and methods of use thereof | John Fitzgerald Dolan | 2004-02-24 |