CS

Christopher Mark Stefko

SR Sram: 1 patents #11 of 58Top 20%
📍 Chicago, IL: #367 of 1,510 inventorsTop 25%
🗺 Illinois: #1,799 of 6,351 inventorsTop 30%
Overall (2025): #422,103 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D1095343 Bicycle chainring Stephanie Raulston 2025-09-30