Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4610623 | Gas burner | — | 1986-09-09 |
| 4474140 | Steam generator | Hans J. Sternfeld, Josef Reinkenhof | 1984-10-02 |
| 4377067 | Steam generator | Hans J. Sternfeld, Josef Reinkenhof | 1983-03-22 |