DK

Detlef Koppen

📍 Murnau am Staffelsee, DE: #1 of 6 inventorsTop 20%
Overall (1989): #32,410 of 140,708Top 25%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4803960 Internal combustion engine, particularly, a free-piston engine — 1989-02-14