CZ

Chengxiang Zhang

XC Xiamen Retone Hearing Technology Co.: 1 patents #1 of 1Top 100%
Overall (2021): #87,040 of 548,734Top 20%
3
Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D930839 Hearing aid 2021-09-14
D922315 Charging case for hearing aid 2021-06-15
10904673 Hearing aid charger case 2021-01-26