DF

Donald Frankl

📍 Jefferson, SD: #4 of 8 inventorsTop 50%
🗺 South Dakota: #1,077 of 2,308 inventorsTop 50%
Overall (All Time): #3,227,232 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8293110 Method of treating wastewater using sequencing batch aerated lagoon Michael Chyi, Shihwu Sung 2012-10-23