Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860511 | Standing seam roof skylight systems | Lester L. Walls, Jr. | 1989-08-29 |
| 4848051 | Glass glazed standing seam skylight | Lester L. Walls, Jr. | 1989-07-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860511 | Standing seam roof skylight systems | Lester L. Walls, Jr. | 1989-08-29 |
| 4848051 | Glass glazed standing seam skylight | Lester L. Walls, Jr. | 1989-07-18 |