Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9837801 | Gas-insulated medium or high-voltage electrical apparatus including carbon dioxide, oxygen, and heptafluoro-isobutyronitrile | Yannick Kieffel, Alain Girodet, Jacques Porte | 2017-12-05 |