DH

Daniel Louis Havelka

VG Vetco Gray: 1 patents #8 of 31Top 30%
📍 Houston, TX: #738 of 2,453 inventorsTop 35%
🗺 Texas: #5,225 of 15,389 inventorsTop 35%
Overall (2017): #449,845 of 506,227Top 90%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9816538 Tensioner cylinder with internal gas bladder in high pressure chamber Robert James Wagner, Benjamin James Kubichek 2017-11-14