SP

Sang-Bok Pyon

📍 Nowon-gu, KR: #6 of 20 inventorsTop 30%
Overall (All Time): #2,234,459 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6021746 arc-piston engine 2000-02-08
5970924 Arc-piston engine 1999-10-26