Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4681157 | Crossflow heat exchanger | Hans-Dieter Schwarz, Friedrich-Wilhelm Pietzarka, Ludwig Muhlhaus | 1987-07-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4681157 | Crossflow heat exchanger | Hans-Dieter Schwarz, Friedrich-Wilhelm Pietzarka, Ludwig Muhlhaus | 1987-07-21 |