Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4486990 | Removable window insulation system | — | 1984-12-11 |
| 4404962 | Large format film glazed solar collector | Michael F. Zinn, Morton Schiff | 1983-09-20 |
| 4232494 | Composite construction panel | Hank Starr | 1980-11-11 |