Eric R. Hansen

AC Ash Grove Cement: 1 patents #1 of 3Top 35%

CR Cadence Chemical Resources: 1 patents #1 of 3Top 35%

📍 Centerville, SD: #1 of 1 inventorsTop 100%

🗺 South Dakota: #8 of 62 inventorsTop 15%

Overall (1989): #116,613 of 140,708Top 85%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4850290	Method for energy recovery from solid hazardous waste	Michel R. Benoit, Theodore J. Reese	1989-07-25