Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6886301 | Exterior building cladding having rigid foam layer with drain channels | — | 2005-05-03 |
| 4905440 | Composite column or beam for building construction | — | 1990-03-06 |
| 4885884 | Building panel assembly | — | 1989-12-12 |
| 4602467 | Thin shell concrete wall panel | — | 1986-07-29 |
| 4566240 | Composite floor system | — | 1986-01-28 |
| 4387544 | Reinforcing strips for pre-cast construction elements | John S. Hall | 1983-06-14 |