Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11845122 | Stamping machine and method including variable binder gap | Kaiping Li, Robert D. Miller, Richard J Siemen, Yongiun Zhou | 2023-12-19 |
| 11684962 | Stamping apparatus having a part-time draw bead | Chunlei Wang, Robert D. Miller, Kaiping Li, Yongjun Zhou, Richard J Siemen | 2023-06-27 |