Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4671382 | Scaffolding system for sloped surfaces | Michael S. D'Alessio, Stanley A. Sandler, Gary Smith | 1987-06-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4671382 | Scaffolding system for sloped surfaces | Michael S. D'Alessio, Stanley A. Sandler, Gary Smith | 1987-06-09 |