GK

George Kerster

📍 Manhattan Beach, CA: #518 of 861 inventorsTop 65%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,824,634 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5213548 Gear shifting system for derailleur equipped bicycle Ralph G. Colbert, Thomas A. Nussmeier 1993-05-25