DO

David O'Brien

📍 Portland, OR: #221 of 661 inventorsTop 35%
🗺 Oregon: #630 of 2,069 inventorsTop 35%
Overall (2002): #233,346 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6415953 First-in first-out vending machine Allen E. Rogers 2002-07-09