Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841543 | Probe for measuring the thermal conductivity of materials | Andre Dittmar, Bernard Roussel, Joseph Chatonnet | 1989-06-20 |
| 4825863 | Portable hot, humid air inhalator for combatting hypothermia in humans | Andre Dittmar, Jacques Foray, Yves Blain, Pierre Berard | 1989-05-02 |