KY

Kwong Yuen Yung

📍 Kowloon, NJ: #4 of 4 inventorsTop 100%
Overall (All Time): #1,559,821 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7913708 One-handed operating mechanism for opening and closing umbrella — 2011-03-29
5913321 One-handed control stick umbrella — 1999-06-22
4685482 Closable, collapsible umbrella for one-hand operation — 1987-08-11