DD

Daniel Ray Downen

📍 Greenwood, IN: #21 of 67 inventorsTop 35%
🗺 Indiana: #1,317 of 3,883 inventorsTop 35%
Overall (2019): #498,564 of 560,194Top 90%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10384329 Skate blade sharpener with indexing stone — 2019-08-20