HV

Hendrikus Joseph Vianen

📍 Woerden, NL: #43 of 94 inventorsTop 50%
Overall (All Time): #3,722,455 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5657744 Ventilation ceiling with integral air filter units — 1997-08-19