Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4986039 | Operating-vent glass-glazed standing-seam skylight | — | 1991-01-22 |
| 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 |
| 4730426 | Standing seam skylight for tile roofs | Lester L. Walls, Jr., Clifford Sanders | 1988-03-15 |
| 4649680 | Standing seam roof skylight | Lester L. Walls, Jr. | 1987-03-17 |
| 4470230 | Skylight and curb therefor | — | 1984-09-11 |
| 4447200 | Apparatus for molding skylights | Lester L. Walls, Jr. | 1984-05-08 |
| 4352776 | Apparatus and method for fabricating polycarbonate skylights | Lester L. Walls, Jr. | 1982-10-05 |
| 4344261 | Skylight | Lester L. Walls, Jr. | 1982-08-17 |
| 4278414 | Apparatus for making plastic skylights | Lester L. Walls, Jr. | 1981-07-14 |