JR

Juhani Ruppa

📍 Jyväskylä, FI: #1 of 5 inventorsTop 20%
Overall (1982): #50,501 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4321883 Safety flag attachment means for bicycles, etc. — 1982-03-30