Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364725 | Blue-flame oil burner | — | 1982-12-21 |
| 4318688 | Oil burner | Friedhelm Dageforde | 1982-03-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364725 | Blue-flame oil burner | — | 1982-12-21 |
| 4318688 | Oil burner | Friedhelm Dageforde | 1982-03-09 |