Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4629592 | Method and apparatus utilizing inflatable membrane form for construction of concrete shell building | Horrall Harrington | 1986-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4629592 | Method and apparatus utilizing inflatable membrane form for construction of concrete shell building | Horrall Harrington | 1986-12-16 |