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Zdenka Zanova — 1 Patent

CHChartpak: 1 patents #7 of 13Top 55%
Lisov, CZ: #1 of 2 inventorsTop 50%
Overall (All Time): #2,992,721 of 4,157,543Top 75%
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Patent #TitleCo-InventorsDate
9296249 Multicolor writing and designing means — 2016-03-29

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