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Michael D Backus

SC Schering: 1 patents #1,469 of 2,442Top 65%
📍 Berlin, WI: #8 of 9 inventorsTop 90%
Overall (All Time): #2,237,390 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D423726 Face mask for protection against the elements 2000-04-25
4849124 Copper etching solution 1989-07-18