TO

Tak Chuen Richard Or

DL Defond Componets Limited: 3 patents #5 of 50Top 10%
DC Defond Electech Co.: 3 patents #3 of 33Top 10%
Overall (All Time): #1,154,063 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 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
10838525 Control knob for controlling operation of a machine Wai Cheong Wilson Chu 2020-11-17
10649556 Control knob for controlling operation of a machine Wai Cheong Wilson Chu 2020-05-12