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Emmanuel A. Frank-Opigo

Port Harcourt, NG: #1 of 4 inventorsTop 25%
Overall (All Time): #3,714,631 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5624120 U.S. presidential campaign and election game — 1997-04-29

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