JD

John E. Ducan

📍 Williamsville, NY: #404 of 663 inventorsTop 65%
🗺 New York: #67,335 of 115,490 inventorsTop 60%
Overall (All Time): #3,971,654 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4655616 Computer direct disc drive with magnetically stabilized shaft — 1987-04-07