John W. Roff, Jr.

📍 Conroe, TX: #258 of 788 inventorsTop 35%

🗺 Texas: #40,946 of 125,132 inventorsTop 35%

Overall (All Time): #1,642,036 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5593582	Two for one shale shaker	—	1997-01-14
5454957	Closed loop system and method of processing cuttings	—	1995-10-03
5382091	Barite scrubber mud tank	—	1995-01-17