DM

David W. McDougall

DP Delta Projects: 1 patents #1 of 4Top 25%
📍 Calgary, CA: #16 of 87 inventorsTop 20%
Overall (1989): #122,392 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4882041 Diluent substitution process Jeffery E. Scott, Ronald G. Holcek 1989-11-21