SM

Stephen Maddick

📍 Union Grove, WI: #36 of 56 inventorsTop 65%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #4,124,421 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4235488 Bicycle pedal crank hanger — 1980-11-25