DH

Donald F. Hallden

FM Fmc: 1 patents #16 of 64Top 25%
📍 Garland, TX: #21 of 84 inventorsTop 25%
🗺 Texas: #2,180 of 8,064 inventorsTop 30%
Overall (2005): #210,339 of 245,428Top 90%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6918574 Reduced torque gate valve with roller screw David Cain, Gregory L. Glidden, William Scott 2005-07-19