DT

David Frederick Thurston

NS Norfolk Southern: 1 patents #25 of 60Top 45%
📍 Springfield, VA: #190 of 553 inventorsTop 35%
🗺 Virginia: #12,642 of 34,511 inventorsTop 40%
Overall (All Time): #2,243,971 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6149130 Butterfly valves John Furness 2000-11-21
4915504 Optical rail gage/wear system — 1990-04-10