WA

Willem D. Arbouw

📍 Harderwijk, NL: #10 of 55 inventorsTop 20%
Overall (All Time): #2,307,609 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D324421 Ventilation grill for windows 1992-03-03
4953451 Ventilation device 1990-09-04