Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4556383 | Resonant burner and starting mechanism therefor | — | 1985-12-03 |
| 4504214 | Control valve for a burner with shutoff characteristics | Fritz M. Fend | 1985-03-12 |
| 4298167 | Mist generator | Fritz M. Fend, Werner Stahl | 1981-11-03 |