U.S. federal trademark · Serial No. 78826551 · Reg. No. 3478142
Visual freezable liquid indicators for indicating freeze and non-freeze temperature conditions inside of electric freezers, electric coolers, and inside of non-electric coolers; visual temperature change indicator for detecting power outages and power interruptions to electric freezers and electric coolers that are used to store perishables, namely, food, beverages, bait and tackle, blood, medicines; the indicator being useful for determining spoilage
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