QZ

Qinghai Zhang

📍 Shandong, CA: #22 of 34 inventorsTop 65%
Overall (2021): #297,164 of 548,734Top 55%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10933269 Temperature-sensing and automatic on and off fire extinguishing device 2021-03-02