WC

Wing Yin Chung

📍 Tseung Kwan O, CN: #39 of 213 inventorsTop 20%
Overall (All Time): #1,125,333 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11612141 Retractable leash with automatic locking and unlocking function — 2023-03-28
11445705 Retractable leash with improved locking and unlocking mechanism — 2022-09-20
D803490 Pet toy — 2017-11-21
9107393 Structure of a handle for a retractable leash — 2015-08-18