Robert L. Rackley

EA E.I. Du Pont De Nemours And: 1 patents #116 of 563Top 25%

📍 Parkersburg, WV: #4 of 14 inventorsTop 30%

🗺 West Virginia: #44 of 187 inventorsTop 25%

Overall (1989): #61,551 of 140,708Top 45%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4867679	Orthodontic ligature	—	1989-09-19