Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7963071 | Louvre window system | Edwin John Alexander, Robert W. Allen, John Grimshaw | 2011-06-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7963071 | Louvre window system | Edwin John Alexander, Robert W. Allen, John Grimshaw | 2011-06-21 |