Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915620 | Burner, in particular atmospheric pre-mix gas burner, and cooling rods therefor | Donald Hellmann, Kurt Pelzer, Thomas Pieper, Jurgen Tenhumberg, Horst J. Schilling | 1990-04-10 |