Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7257975 | Flange turning process/machine | Glenn Stauffacher | 2007-08-21 |
| 4911205 | Apparatus and method for duct vane mounting | — | 1990-03-27 |
| 4715581 | Damper construction | — | 1987-12-29 |
| 4467829 | Turning vane rail | — | 1984-08-28 |