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Ann-Marie Duwyn-Zylstra

UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 Niagara Falls, CA: #44 of 156 inventorsTop 30%
Overall (All Time): #2,066,391 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8402564 Adjustable hat 2013-03-26
8375469 Adjustable hat 2013-02-19