Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7261139 | Manual operating mechanism for upward acting door | David Varley, George Lair | 2007-08-28 |
| 7231953 | Rollup door with direct connected drive motor unit | David Varley, Richard D. Aiken, George Lair | 2007-06-19 |
| 7131481 | Flexible curtain rollup door with combination stiffening struts and windlocks | David Varley, Richard D. Aiken, George Lair | 2006-11-07 |
| 6722416 | Flexible curtain rollup door with combination stiffening struts and windlocks | David Varley, Richard D. Aiken, George Lair | 2004-04-20 |