Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D868628 | Train | Yubo Lian, Lin Ren, Wenquan Tang, Changshu Shangguan | 2019-12-03 |
| D867940 | Automobile bumper | Leyang Li, Wenquan Tang, Changshu Shangguan | 2019-11-26 |
| D861550 | Automobile bumper | Leyang Li, Wenquan Tang, Changshu Shangguan | 2019-10-01 |
| D854465 | Automobile bumper guard | Leyang Li, Wenquan Tang, Changshu Shangguan | 2019-07-23 |