ND

Nelson Patrick Downs

📍 Alexandria, VA: #635 of 1,823 inventorsTop 35%
🗺 Virginia: #12,642 of 34,511 inventorsTop 40%
Overall (All Time): #2,078,897 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8545227 Mathematics game Gregory Scott Downs 2013-10-01
7857313 Polygon identification board game Gregory Scott Downs 2010-12-28