XM

Xuewen Ma

Overall (2025): #74,989 of 469,880Top 20%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12416879 Detent device for toner container, rotating disc, and conveying device Haifeng Geng 2025-09-16
12298677 Linkage device and mounting and conveying device for toner supply container Haifeng Geng 2025-05-13