RB

Roy Brereton

HI Hydro International: 1 patents #1 of 3Top 35%
📍 Clevedon, GB: #1 of 2 inventorsTop 50%
Overall (1997): #87,079 of 185,788Top 50%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5640988 Vortex valves — 1997-06-24