Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5915372 | Heat exchanger | Franz Koch, Gerd Gumienny | 1999-06-29 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5915372 | Heat exchanger | Franz Koch, Gerd Gumienny | 1999-06-29 |