Roy L. Dudman

📍 Lockhart, TX: #22 of 52 inventorsTop 45%

🗺 Texas: #52,441 of 125,132 inventorsTop 45%

Overall (All Time): #2,312,163 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5154243	Bent sub	—	1992-10-13
4760889	High bending strength ratio drill string components	—	1988-08-02