DH

David A. Hopkin

H( Her Majesty The Queen In Right Of Canada (...): 1 patents #11 of 114Top 10%
Overall (All Time): #2,242,947 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6132613 Centrifugal reverse-osmosis desalination unit incorporating an annular membrane cartridge Peter Martin Wild, Goeffrey W. Vickers, Antony Moilliet 2000-10-17
4886597 Centrifugal reverse-osmosis desalination unit Peter Martin Wild, Geoffrey W. Vickers, Antony Moilliet 1989-12-12