CE

Chester C. Efferson

DI Dresser Industries: 1 patents #301 of 787Top 40%
📍 Ethel, LA: #2 of 5 inventorsTop 40%
🗺 Louisiana: #5,044 of 10,876 inventorsTop 50%
Overall (All Time): #4,048,320 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4372338 High pressure valve assembly — 1983-02-08