Eric R. Hansen

AC Ash Grove Cement: 1 patents #1 of 2Top 50%

CE Cadence Environment Energy: 1 patents #1 of 2Top 50%

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

🗺 South Dakota: #27 of 126 inventorsTop 25%

Overall (2002): #223,346 of 266,432Top 85%

Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6345981	Controlled solid fuel thermolysis in preheater/precalciner kilns	James R. Tutt	2002-02-12