Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D331104 | Combined burner nozzle, nozzle-supporting heat exchange block, and control valve subassembly unit for a waste oil burner | — | 1992-11-17 |
| D331105 | Combined guiding support and air swirl inducing unit for a burner nozzle and electrode subassembly unit of a waste oil burner | William H. Johnson | 1992-11-17 |
| 5067894 | Oil burner assembly | — | 1991-11-26 |