HL

Ho Cheung Lau

DL Defond Componets Limited: 1 patents #5 of 12Top 45%
DC Defond Electech Co.: 1 patents #3 of 13Top 25%
Overall (2020): #446,627 of 565,922Top 80%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10529502 Lockable trigger mechanism for use in an electrical device 2020-01-07