FD

Francis L. Davison

NI Nl Industries: 2 patents #47 of 213Top 25%
📍 Houston, TX: #8,651 of 21,073 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,336,117 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4736204 Method and apparatus for communicating with downhole measurement-while-drilling equipment when said equipment is on the surface — 1988-04-05
4686658 Self-adjusting valve actuator — 1987-08-11