Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8113917 | Grinding structure having micro ball | Biing-Hwa Yan, Jung-Chou Hung | 2012-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8113917 | Grinding structure having micro ball | Biing-Hwa Yan, Jung-Chou Hung | 2012-02-14 |