Andrew F. Johnke

SC Sioux Steam Cleaner: 1 patents #1 of 3Top 35%

📍 Beresford, SD: #1 of 3 inventorsTop 35%

🗺 South Dakota: #27 of 126 inventorsTop 25%

Overall (2002): #255,010 of 266,432Top 100%

Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6435174	Fluid heater coil configuration and fabrication method	Gary Spilde, John W. Finger	2002-08-20