HN

Heinrich Nieweg

Overall (All Time): #2,303,939 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5238559 Filter device 1993-08-24
5049272 Filter cartridge with vented cap 1991-09-17