Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4383824 | Air-heating gas burner | John Darby, David L. Lewis, Donald F. Wenn | 1983-05-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4383824 | Air-heating gas burner | John Darby, David L. Lewis, Donald F. Wenn | 1983-05-17 |