HJ

Henk H. Jelsma

BT Baroid Technology: 1 patents #1 of 7Top 15%
📍 Spring, TX: #16 of 61 inventorsTop 30%
🗺 Texas: #885 of 4,134 inventorsTop 25%
Overall (1989): #106,771 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4880067 Apparatus for drilling a curved borehole — 1989-11-14