Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661906 | Method of welding comb-shaped sealing strips to plate heat exchangers | Wolfgang Herrmann | 1997-09-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661906 | Method of welding comb-shaped sealing strips to plate heat exchangers | Wolfgang Herrmann | 1997-09-02 |