Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812250 | Working fluid mixtures for use in thermodynamic compression cycles comprising trifluoromethane and chlorodifluoroethane | Jean-Louis Ambrosino, Choua Cohen, Jacques Cheron | 1989-03-14 |