JK

Jaap Jan Koning

📍 Voorburg, NL: #127 of 262 inventorsTop 50%
Overall (All Time): #3,386,518 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D543019 Holder for keys, coins, pin and credit cards — 2007-05-22