J. Randall Coates

SI Smith International: 2 patents #259 of 708Top 40%

📍 Tonkawa, OK: #4 of 14 inventorsTop 30%

🗺 Oklahoma: #4,502 of 12,736 inventorsTop 40%

Overall (All Time): #2,344,661 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
RE32495	Chip relief for rock bits	—	1987-09-08
4513829	Chip relief for rock bits	—	1985-04-30