DW

Dennis R. Whinfrey

NP Northern Engineering Industries Plc: 2 patents #5 of 45Top 15%
📍 Derby, GB: #319 of 964 inventorsTop 35%
Overall (All Time): #2,324,144 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4930430 Burners Jeffrey Allen, Peter R. Beal 1990-06-05
4516728 Liquid fuel atomizer — 1985-05-14