DA

Donald P. Aupperle

BN Biochar Now: 1 patents #1 of 6Top 20%
📍 Seattle, WA: #1,411 of 3,930 inventorsTop 40%
🗺 Washington: #4,569 of 12,901 inventorsTop 40%
Overall (2017): #438,688 of 506,227Top 90%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9752078 Airflow control and heat recovery in a managed kiln Mikel S. Olander, Benjamin M. Beierwaltes, William T. Beierwaltes, James G. Gaspard, II 2017-09-05