Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D347070 | Facing block | Peter L. Anderson, Michael J. Cowell | 1994-05-17 |
| 5308195 | Coping construction for a retaining wall | — | 1994-05-03 |
| D345426 | Corner block | Peter L. Anderson, Michael J. Cowell | 1994-03-22 |