HH

Henry M. T. van Haaften

Overall (All Time): #2,370,556 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4267857 Duct system containing a movable plug body — 1981-05-19
4207911 Operating station for a duct system through which a plug body is pumped — 1980-06-17