Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6412257 | Portable and manual binding device | Chin-Chang Liu | 2002-07-02 |
| 6360932 | Strap feeding and withdrawing structures of an upright binding machine | Chin-Chang Liu | 2002-03-26 |