WK

Wiebe Koning

📍 Meppel, NL: #10 of 16 inventorsTop 65%
Overall (All Time): #3,909,027 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4947736 Chimney cap unit for extinguishing a starting chimney fire 1990-08-14