Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4643741 | Thermostable polycrystalline diamond body, method and mold for producing same | Hongchang Yu, Zhen Yang, Chaodong WANG | 1987-02-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4643741 | Thermostable polycrystalline diamond body, method and mold for producing same | Hongchang Yu, Zhen Yang, Chaodong WANG | 1987-02-17 |