Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10532598 | Ring binder mechanism | Hung Yu Cheng | 2020-01-14 |
| 10532599 | Ring binder mechanism | Hung Yu Cheng | 2020-01-14 |
| 9044994 | Ring binder mechanism | Hung Yu Cheng | 2015-06-02 |
| 8186899 | Ring binder mechanism | Hung Yu Cheng | 2012-05-29 |
| 8052343 | Ring binder mechanism | Ze Yu Zhang | 2011-11-08 |
| 7731441 | Ring binder mechanism | Hung Yu Cheng | 2010-06-08 |
| 7661898 | Soft close ring binder mechanism with reinforced travel bar | Hung Yu Cheng | 2010-02-16 |
| 7648302 | Ring binder mechanism | Ze Yu Zhang | 2010-01-19 |
| 7513708 | Ring binder mechanism having slide connector | Hung Yu Cheng | 2009-04-07 |