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William D. Rizzardi

📍 Smithtown, NY: #275 of 542 inventorsTop 55%
🗺 New York: #67,335 of 115,490 inventorsTop 60%
Overall (All Time): #3,621,650 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6092244 Locking grate device for a floor sink Guido Greco 2000-07-25