Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9109328 | Steel cord comprising flat wires | Pengfei Wang, Zhichao Cheng, Yiwen Luo | 2015-08-18 |
| 8966872 | Multi-strand steel cord with waved core strand | Zhichao Cheng, Pengfei Wang | 2015-03-03 |