ZS

Zhong Shou-Fu

📍 Shandong, CN: #587 of 2,138 inventorsTop 30%
Overall (All Time): #2,323,890 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4926742 Spiral drum magazine with elongated magazine clip and single piece last round follower Bao P. Ma, Qin Li 1990-05-22
4745842 Spiral drum magazine with elongated magazine clip and multiple link last round follower — 1988-05-24