John W. Edgmon

HC Hughes Tool Company: 1 patents #83 of 224Top 40%

📍 Conroe, TX: #478 of 788 inventorsTop 65%

🗺 Texas: #73,555 of 125,132 inventorsTop 60%

Overall (All Time): #3,999,620 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4603741	Weight actuated tubing valve	—	1986-08-05