Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9920251 | Pyrolysis apparatus and method | — | 2018-03-20 |
| 6629395 | Wall unit forming method and apparatus | — | 2003-10-07 |
| D379668 | Transition unit for a retaining wall having irregular stonework | — | 1997-06-03 |
| D379669 | Stackable unit for a retaining wall having irregular stonework | — | 1997-06-03 |
| D379670 | Stackable unit for a retaining wall having irregular stonework | — | 1997-06-03 |
| D306489 | Modular block for a retainer wall | — | 1990-03-06 |