Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683217 | Self-counter-sinking screw with cutting receiving pockets | Chao-Hsin (Michael) Yu | 1997-11-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683217 | Self-counter-sinking screw with cutting receiving pockets | Chao-Hsin (Michael) Yu | 1997-11-04 |