Robert J. Frederick

📍 Barrington, IL: #16 of 61 inventorsTop 30%

🗺 Illinois: #1,486 of 5,836 inventorsTop 30%

Overall (2002): #129,154 of 266,432Top 50%

Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6347730	Backpack without sides	—	2002-02-19