DZ

Dongjian Zhang

Overall (2021): #165,460 of 548,734Top 35%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D921561 Single cylinder single handle underwater propeller Ding Li 2021-06-08
D921563 Single handle for single cylinder underwater propeller Ding Li 2021-06-08