JR

Jan W. Ropers

📍 Village of La Jolla, CA: #1,502 of 2,316 inventorsTop 65%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,764,925 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5392987 Modular model railroad track support system with snap-fit connections Victor E. Chang 1995-02-28