Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10408296 | Metal stamping tool with a hybrid magnetorheological-nitrogen spring | — | 2019-09-10 |
| 10328504 | Two-stage method of cutting ultra-high strength material sheet | Changqing Du, Robert D. Miller | 2019-06-25 |