Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9827606 | Stamping apparatus having flared bead | Dajun Zhou, Changqing Du, Richard J Siemen | 2017-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9827606 | Stamping apparatus having flared bead | Dajun Zhou, Changqing Du, Richard J Siemen | 2017-11-28 |