Inventor

YOU JIANJUN

CN3 patents

Patents

3 patents

US11056782B2Jul 6, 2021

Linked locking mechanism and antenna down-tilt angle control device

COMBA TELECOM TECH GUANGZHOU LIMITED0 citations41

US10910707B2Feb 2, 2021

Transmission device and antenna down-tilt control system

COMBA TELECOM TECH GUANGZHOU LIMITED0 citations41

US11154954B2Oct 26, 2021

Welding base

COMBA TELECOM TECH GUANGZHOU LIMITED0 citations40