Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4937997 | Open web Z-shaped structural metal beam | William G. Thomas, Clarke H. Stevenson | 1990-07-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4937997 | Open web Z-shaped structural metal beam | William G. Thomas, Clarke H. Stevenson | 1990-07-03 |