Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9579007 | Dusting device | Yi-Jun Pan, Pai-Yung Lin | 2017-02-28 |
| 9386899 | Foldable duster | — | 2016-07-12 |
| 8516646 | Dusting cloth structure for use with duster | — | 2013-08-27 |
| 8356381 | Structure for automatically rotating a spiral rod | Yi-Jun Pan | 2013-01-22 |
| 7788759 | Standing duster article | Yi-Jun Pan | 2010-09-07 |
| 7681275 | Dust cloth texture | Pai-Yung Lin | 2010-03-23 |