JG

Jinfeng Geng

Overall (2024): #417,055 of 561,600Top 75%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12012802 Soundproof door system Donghui Wang, Songyang Zhang, Leilei WANG, Zhuangzhuang Zhang, Guangzhou Wang +6 more 2024-06-18