Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10939759 | Collection apparatus for storing prolate photos | Jiaojiao Liu, Wenjun Wang, Xiaolian Chao | 2021-03-09 |
| 10907067 | Deacidifying and reinforcing agent for cellulose acetate film | Zhihui Jia | 2021-02-02 |