WK

Welchang Ke

Overall (2024): #224,691 of 561,600Top 45%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12041967 Electric heating device for preventing contact wearing out and tobacco falling out Huachen Liu, Yikun Chen, Long Huang, Chenghao Luo 2024-07-23