DM

Donald Elwin McDowell

FI Frank'S International: 1 patents #7 of 11Top 65%
📍 Millsap, TX: #1 of 1 inventorsTop 100%
🗺 Texas: #3,688 of 11,512 inventorsTop 35%
Overall (2011): #313,407 of 364,097Top 90%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7878241 Expandable centralizer for expandable pipe string Jean Buytaert, Eugene Edward Miller 2011-02-01