Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10415255 | Handrail and railing assembly | Chingyao Kuo | 2019-09-17 |
| 10184267 | Supporting mechanism for glass fence | Chingyao Kuo | 2019-01-22 |
| 9822521 | Assembly outdoor balcony | Chingyao Kuo | 2017-11-21 |
| 9732528 | Accessible passageway assembly | Chingyao Kuo | 2017-08-15 |
| 8869939 | Extension ladder | Ching Yao KUO | 2014-10-28 |
| 7503550 | Enclosed fence/railing set | — | 2009-03-17 |
| 7316293 | Extension ladder with improved mechanism | Kuo-Ching Yao | 2008-01-08 |