Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11179834 | Elastic sealing ring expanding apparatus | Lei Zhou, Dandan Zhang, Lvhai Hu, Roberto Francisco-Yi Lu | 2021-11-23 |
| 9868559 | Label sticking device and apparatus | Zhiguo Li, Dandan Zhang, George Dubniczki, Roberto Francisco-Yi Lu | 2018-01-16 |