JH

Jianjun Han

JM Joy Global Underground Mining: 1 patents #59 of 130Top 50%
Overall (All Time): #1,697,108 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D1062409 Wrench — 2025-02-18
10668901 Service jack system Francois Nortje 2020-06-02