RJ

Roderick Michael Johnson

📍 Calgary, CA: #16 of 87 inventorsTop 20%
Overall (1989): #62,763 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4814651 Explosion-proof electrical generator system Viggo Elris, Robert R. Hamilton, Elliott J. Baly 1989-03-21