Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699672 | Refrigeration method and apparatus | Wolfgang Leser | 1997-12-23 |
| 5690169 | Heat transmitting apparatus | — | 1997-11-25 |
| 5685171 | Method of separating organic vapors from gaseous media | — | 1997-11-11 |