JH

James E. Helmick

DI Dresser Industries: 1 patents #301 of 787Top 40%
SC Sumner Manufacturing Company: 1 patents #5 of 9Top 60%
📍 Plano, TX: #2,318 of 4,842 inventorsTop 50%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,239,103 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6076724 Pipe clamp having cable connected clamp members Robert Collins 2000-06-20
4279316 Earth boring bit with eccentric seal boss — 1981-07-21