Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4561233 | Wall panel | Gary S. Smagiel | 1985-12-31 |
| 4418684 | Roof aperture system for selective collection and control of solar energy for building heating, cooling and daylighting | William Sanders, Marvin K. Snyder | 1983-12-06 |