TO

Tak Chuen Richard Or

DC Defond Electech Co.: 2 patents #2 of 13Top 20%
DL Defond Componets Limited: 1 patents #4 of 12Top 35%
Overall (2021): #106,950 of 548,734Top 20%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11099665 Control knob for controlling operation of a machine Wai Cheong Wilson Chu 2021-08-24
10965133 Battery pack system for electrically connecting a battery pack to a machine Cheng Chen Nieh, Kin Yu Wong 2021-03-30