William J. Rankin

TD Tdw Delaware: 1 patents #1 of 3Top 35%

📍 Sapulpa, OK: #1 of 7 inventorsTop 15%

🗺 Oklahoma: #137 of 631 inventorsTop 25%

Overall (1997): #59,227 of 185,788Top 35%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5699577	Magnetic cleaning pig	—	1997-12-23