Robert S. Hedin

📍 Pittsburgh, PA: #3,179 of 7,570 inventorsTop 45%

🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%

Overall (All Time): #1,896,615 of 4,157,543Top 50%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
10538440	Treatment of organic contaminated materials with manganese oxide media	—	2020-01-21
5954969	Recovery of iron oxides from polluted coal mine drainage	—	1999-09-21