Yook J. Ching

📍 San Francisco, CA: #33 of 140 inventorsTop 25%

🗺 California: #1,105 of 6,198 inventorsTop 20%

Overall (1982): #18,008 of 81,411Top 25%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4318232	Heel structure for shoes	—	1982-03-09