Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5057007 | Low NO.sub.x atmospheric gas burner | Willem W. Andringa, Terence Arthur Devlin | 1991-10-15 |
| 4679528 | Heating boiler having a vertical burner tube | Peter Krans | 1987-07-14 |