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David Allen Crennen
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Studio City, CA, US
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last 30 patents
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Patent Grant
Game piece and method of manufacture
Patent number
11,298,608
Issue date
Apr 12, 2022
David Allen Crennen
A63 - SPORTS GAMES AMUSEMENTS
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last 30 patents
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Patent Application
Game Piece and Method of Manufacture
Publication number
20220047935
Publication date
Feb 17, 2022
Dungeon in a Box, LLC
David Allen Crennen
A63 - SPORTS GAMES AMUSEMENTS