Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6679482 | Construction perimeter guard | — | 2004-01-20 |
| 5207527 | System scaffold wedging arrangement | Warren G. Duncan | 1993-05-04 |
| 4891926 | Walk-through scaffolding construction | — | 1990-01-09 |