Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7415859 | Method and apparatus for forming blind holes in sheet material | Weng Leong | 2008-08-26 |
| 7370505 | Method of forming blind holes in a sheet of material | Weng Leong | 2008-05-13 |