Pyong I. Cha

📍 Anaheim, CA: #477 of 1,337 inventorsTop 40%

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

Overall (All Time): #2,308,620 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5125489	High-torque dual-purpose hub assembly for the rear wheel of a multispeed bicycle	—	1992-06-30
D325368	Hub unit for the rear wheel of a geared bicycle	—	1992-04-14