Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6035928 | Fin tube block for a heat exchanger and method of making same | Wolfgang Ruppel, Gunther Schmalzried | 2000-03-14 |
| 5845701 | Fin-tube block for a heat exchanger and method of making same | Wolfgang Ruppel, Gunther Schmalzried | 1998-12-08 |