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Steven C. Simpson

📍 Kansas City, MO: #3 of 66 inventorsTop 5%
🗺 Missouri: #45 of 859 inventorsTop 6%
Overall (1989): #15,368 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4878406 Screwdriver blade Warren W. Weible 1989-11-07
4815238 Debris collector for a wide belt sander and the like Ronald D. Witt 1989-03-28