Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9827616 | Method for implementing high-precision backdrilling stub length control | Yongxing Yang, Jian Zhang | 2017-11-28 |
| 9426902 | Printed circuit board, and method and apparatus for drilling printed circuit board | — | 2016-08-23 |