DR

Daniel Roy

UN Unknown: 1 patents #267 of 2,778Top 10%
📍 Derry, NH: #5 of 26 inventorsTop 20%
🗺 New Hampshire: #251 of 1,007 inventorsTop 25%
Overall (2002): #232,632 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6401866 Machine for leveling a ladder on an uneven surface — 2002-06-11