JL

James Ching Sik Lau

JL Johnson Electric Industrial Manufactory Limited: 1 patents #3 of 5Top 60%
Overall (1989): #100,112 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4883998 Brush gear for an electric motor — 1989-11-28