JN

Jianjin Ning

📍 Huangpu District, CN: #55 of 139 inventorsTop 40%
Overall (All Time): #3,779,141 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5447111 Rotor type energy saving apparatus mounted on the bow — 1995-09-05