Kai On Wong

HL Hung Sang Metal Plastic Factory Limited: 1 patents #2 of 3Top 70%

📍 Sha Tin, CN: #1,175 of 2,424 inventorsTop 50%

Overall (All Time): #3,643,578 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D406222	Can opener	—	1999-03-02