JR

James Ritchie

📍 Brewster, MA: #2 of 7 inventorsTop 30%
🗺 Massachusetts: #1,783 of 6,384 inventorsTop 30%
Overall (2002): #196,409 of 266,432Top 75%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6371503 Wheelchair automatic anti-rollback assembly James A. Marquis 2002-04-16