Shin-Ju D. Chang

📍 South Pasadena, CA: #155 of 313 inventorsTop 50%

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

Overall (All Time): #2,292,563 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5290116	Flow control for writing instruments	—	1994-03-01
5250021	Foot and ankle brace	—	1993-10-05