Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360058 | Process for the preparation of a surface of a metal wall for the transfer of heat | — | 1982-11-23 |
| 4327803 | Arrangements for cross-flow heat exchanger units | Hans-Joachim Koetz | 1982-05-04 |