EM

Ernest Keith Marchildon

DC Dupont Canada: 1 patents #2 of 8Top 25%
Overall (1982): #66,545 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4344711 Self-wiping multiple screw element mixer John A. Kendall, Grant R. Stephenson 1982-08-17