Michael D. Manke

📍 Spearfish, SD: #26 of 41 inventorsTop 65%

🗺 South Dakota: #1,077 of 2,308 inventorsTop 50%

Overall (All Time): #3,822,614 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5205858	Precious metals recovery process	—	1993-04-27