DR

Dieter Rogelein

JL Johnson Electric Industrial Manufactory Limited: 1 patents #3 of 5Top 60%
Overall (1989): #120,183 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4820948 Electric motor — 1989-04-11