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Steve Steffel

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Northfield, NJ: #10 of 20 inventorsTop 50%
🗺 New Jersey: #41,174 of 69,400 inventorsTop 60%
Overall (All Time): #4,024,549 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4552535 Mechanical assembly for audio-visual teaching machines — 1985-11-12