AG

Anna Grinvald

📍 Dongguan, CN: #1,268 of 2,387 inventorsTop 55%
Overall (All Time): #2,720,566 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10974084 Reusable respirator mask with refillable filter Ron Grinvald, David Chen 2021-04-13