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Steven J. Sprotberry

BC Btm Company: 1 patents #1 of 6Top 20%
📍 Marysville, MI: #1 of 5 inventorsTop 20%
🗺 Michigan: #3,033 of 9,276 inventorsTop 35%
Overall (2022): #247,820 of 548,613Top 50%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11446726 Metal fastening die assembly Hans-Werner Fisch 2022-09-20