JC

John E. Campbell

📍 Houston, TX: #899 of 2,742 inventorsTop 35%
🗺 Texas: #6,173 of 17,455 inventorsTop 40%
Overall (2020): #416,206 of 565,922Top 75%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10704329 Cementing whipstock assembly and running tool with releasably engaged cement tube for minimizing downhole trips during lateral drill sidetracking operations Charles H. Dewey 2020-07-07