Willard C. Hopper, Jr.

📍 Norco, CA: #45 of 132 inventorsTop 35%

🗺 California: #185,134 of 386,348 inventorsTop 50%

Overall (All Time): #2,355,426 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4552468	Bicycle sealed bearing kit	—	1985-11-12
4412706	Bicycle sealed bearing and method	—	1983-11-01