RD

R. Alan Duckworth

📍 Farnham, GB: #43 of 134 inventorsTop 35%
Overall (All Time): #2,339,037 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4787254 Mass flow meter 1988-11-29
4776731 Method and apparatus for conveying solids using a high velocity vacuum Aubrey C. Briggs 1988-10-11