Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4483117 | Composite gambrel roof truss with prefabricated truss components | George R. Underhill | 1984-11-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4483117 | Composite gambrel roof truss with prefabricated truss components | George R. Underhill | 1984-11-20 |