Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5800662 | Duct assembly system | George Nicholas Bullen, Douglas Dean Decker, Ian MacAllister | 1998-09-01 |
| 5709769 | Duct assembly system | George Nicholas Bullen, Douglas Dean Decker, Ian MacAllister | 1998-01-20 |