RJ

Raymond A. Todd, Jr.

DS Drilex Systems: 2 patents #4 of 14Top 30%
📍 Houston, TX: #8,651 of 21,073 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,326,029 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4962819 Mud saver valve with replaceable inner sleeve Thomas F. Bailey 1990-10-16
4955949 Mud saver valve with increased flow check valve Thomas F. Bailey 1990-09-11