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John C. Steffl

📍 The Bronx, NY: #466 of 1,082 inventorsTop 45%
🗺 New York: #67,335 of 115,490 inventorsTop 60%
Overall (All Time): #3,879,181 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5026080 Castering wheels for roller skates George Spector 1991-06-25