Assignee

HYPERDESIGN INC

US·1 granted patent·70 citations·filing 1992–1992

Technology mixA63F1 A63H1 G01K1 G02F1

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0185US5223958AHeat activated amusement device employing microencapsulated thermochromic liquid crystalHYPERDESIGN INC·Filed 1992·Granted Jun 29, 1993·70 cites·4 claims

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