Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850756 | Method and device for building underground storehouse by dissolving limestone with carbon dioxide | Heping Xie, Jianfeng Liu, Lingzhi Xie, Ru Zhang | 2017-12-26 |
| D776051 | Electronic cigarette battery | — | 2017-01-10 |