RK

Reinhard Koppen

MA Mistral Windsurfing Ag: 1 patents #1 of 3Top 35%
Overall (1989): #136,887 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4887986 Surf-riding board or sailing board Michael Langenbach, Dirk Cremer 1989-12-19