Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4402666 | Forced draft radiant wall fuel burner | Klaus E. Sawatzki, Dieter Fischer | 1983-09-06 |
| 4257762 | Multi-fuel gas burner using preheated forced draft air | John S. Zink, Robert D. Reed, Klaus E. Sawatski | 1981-03-24 |