WD

William T. Doan

📍 New Hope, PA: #151 of 237 inventorsTop 65%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,615,926 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6065972 Hand held quiz computer and educational device — 2000-05-23