DA

Donald P. Aupperle

BN Biochar Now: 1 patents #3 of 5Top 60%
📍 Seattle, WA: #1,434 of 3,993 inventorsTop 40%
🗺 Washington: #4,321 of 12,409 inventorsTop 35%
Overall (2018): #434,473 of 503,207Top 90%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10160911 Exhaust system for a biochar kiln Mikel S. Olander, Benjamin M. Beierwaltes, William T. Beierwaltes, James G. Gaspard, II 2018-12-25