RA

Ronald M. Amm

📍 Durban, ZA: #36 of 141 inventorsTop 30%
Overall (All Time): #4,011,381 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4503815 Stratified charge variable compression ratio engine — 1985-03-12