Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10173458 | Lever for a ring binder mechanism | — | 2019-01-08 |
| 9676222 | Ring binder mechanism | — | 2017-06-13 |
| 9180721 | Lever for a ring binder mechanism | — | 2015-11-10 |
| 8814458 | Lever for a ring binder mechanism | — | 2014-08-26 |
| 7950867 | Lever for a ring binder mechanism | — | 2011-05-31 |
| 7726897 | Ring binder mechanism | Chun Yuen To | 2010-06-01 |
| 7704005 | Ring mechanism having locking element operatively connected to lever | — | 2010-04-27 |
| 7661899 | Lever for a ring binder mechanism | — | 2010-02-16 |