Robert Chang

📍 Des Plaines, IL: #9 of 50 inventorsTop 20%

🗺 Illinois: #802 of 3,813 inventorsTop 25%

Overall (1989): #64,201 of 140,708Top 50%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D303702	Support rack for printer and paper	—	1989-09-26