Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11141525 | Ear-cover structure and ear irrigation device | Haibo Hu | 2021-10-12 |
| 11021176 | Energy absorption device and rail vehicle having same | Aiqin TIAN, Shizhong Zhao, Guidong TAO, Quanwei Che, Shuxiang CHEN +2 more | 2021-06-01 |
| D914870 | Enema bucket device | Haibo Hu | 2021-03-30 |
| D910838 | Enema bag | Haibo Hu | 2021-02-16 |