RC

Raymond Wai Hang Chu

DL Defond Manufacturing Limited: 2 patents #1 of 2Top 50%
📍 Sha Tin, CN: #16 of 112 inventorsTop 15%
Overall (2003): #47,514 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6624991 Circuit breaker 2003-09-23
6605787 Electrical switch 2003-08-12