Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629523 | Heated make-up air system | William Brian Griffin | 2003-10-07 |
| 5771879 | Heated makeup air system for a commercial kitchen | — | 1998-06-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629523 | Heated make-up air system | William Brian Griffin | 2003-10-07 |
| 5771879 | Heated makeup air system for a commercial kitchen | — | 1998-06-30 |