Ronald W. Rubemeyer

PC Peabody Coal: 1 patents #3 of 5Top 60%

📍 Waterloo, IL: #1 of 2 inventorsTop 50%

🗺 Illinois: #802 of 3,813 inventorsTop 25%

Overall (1989): #32,150 of 140,708Top 25%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4850434	Vibrating deep ripper	James L. Gibson	1989-07-25