DD

David G. Dearing

DI Dresser Industries: 1 patents #8 of 50Top 20%
📍 Duncanville, TX: #1 of 10 inventorsTop 10%
🗺 Texas: #885 of 4,134 inventorsTop 25%
Overall (1989): #123,511 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4838348 Well packer brake — 1989-06-13