DL

Dwayne Leismer

CI Camco International: 1 patents #4 of 11Top 40%
📍 Houston, TX: #210 of 924 inventorsTop 25%
🗺 Texas: #885 of 4,134 inventorsTop 25%
Overall (1989): #118,583 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4838355 Dual hydraulic safety valve William A. Blizzard, Jr. 1989-06-13