RH

Robert E. Heigold

DP Delta Projects: 1 patents #4 of 5Top 80%
📍 Calgary, CA: #2,769 of 5,407 inventorsTop 55%
Overall (All Time): #3,973,159 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4661242 Diluent distillation process and apparatus Jeffery E. Scott, David W. McDougall 1987-04-28