Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9827606 | Stamping apparatus having flared bead | Dajun Zhou, Kaiping Li, Richard J Siemen | 2017-11-28 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9827606 | Stamping apparatus having flared bead | Dajun Zhou, Kaiping Li, Richard J Siemen | 2017-11-28 |