DS

David J. Scallan

DI Dresser Industries: 3 patents #98 of 787Top 15%
📍 Pineville, LA: #19 of 73 inventorsTop 30%
🗺 Louisiana: #2,223 of 10,876 inventorsTop 25%
Overall (All Time): #1,655,364 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5339857 Media assisted valves George W. Parker 1994-08-23
5144977 Fluid valve with actuation sensor Don W. Eggerton 1992-09-08
4708164 Safety relief valve — 1987-11-24