Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9914164 | Machine press | Dajun Zhou, Changqing Du, Robert D. Miller | 2018-03-13 |
| 9120137 | Stamping apparatus and method of use | Dajun Zhou, Changqing Du | 2015-09-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9914164 | Machine press | Dajun Zhou, Changqing Du, Robert D. Miller | 2018-03-13 |
| 9120137 | Stamping apparatus and method of use | Dajun Zhou, Changqing Du | 2015-09-01 |