Charles N. Richardson

TI Tri-State Oil Tool Industries: 4 patents #2 of 12Top 20%

📍 Overton, TX: #1 of 9 inventorsTop 15%

🗺 Texas: #33,546 of 125,132 inventorsTop 30%

Overall (All Time): #1,309,118 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4390065	Apparatus for well treating	—	1983-06-28
4382623	Apparatus for retrieving fluid plug	—	1983-05-10
4374543	Apparatus for well treating	—	1983-02-22
4314608	Method and apparatus for well treating	—	1982-02-09