Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12257618 | Apparatus and method for closing duct seams and for inserting angle plates and closing duct seams | David E. Daw | 2025-03-25 |
| 11697147 | Apparatus and method for forming duct flanges and duct work | David E. Daw | 2023-07-11 |
| 11213878 | Apparatus and method for forming duct flanges and duct work | David E. Daw | 2022-01-04 |