Yoon Chol Chang

📍 Rancho Cucamonga, CA: #231 of 412 inventorsTop 60%

🗺 California: #247,236 of 386,348 inventorsTop 65%

Overall (All Time): #3,280,810 of 4,157,543Top 80%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D610791	Big toe pinky toe sock	—	2010-03-02