Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7725986 | Castor that is operated smoothly and conveniently | — | 2010-06-01 |
| 7661763 | Chair armrest having a height adjustable function | — | 2010-02-16 |
| D606345 | Chair armrest | — | 2009-12-22 |
| 7611206 | Internally pulling type lift device for chair armrest | — | 2009-11-03 |
| 7559609 | Multifunctional armrest assembly for chair | — | 2009-07-14 |
| 7516512 | Castor having efficiently locking function | — | 2009-04-14 |
| D586161 | Chair armrest | — | 2009-02-10 |
| 7448687 | Internally pulling type lift device for chair armrest | — | 2008-11-11 |
| 7387341 | Armrest having position adjusting function | — | 2008-06-17 |
| 7367628 | Armrest that will not produce noise during adjustment | — | 2008-05-06 |
| D524582 | Office chair base | — | 2006-07-11 |
| 7011371 | Armrest assembly having a height adjustable function | — | 2006-03-14 |
| 6948775 | Office chair armrest | — | 2005-09-27 |
| 6748623 | Chair caster | — | 2004-06-15 |
| D482549 | Office chair base | — | 2003-11-25 |
| D475871 | Chair base | — | 2003-06-17 |
| D470748 | Chair caster | — | 2003-02-25 |