Heat-sensitive and time-sensitive labels, devices, and indicators for measuring heat and light for purposes of ensuring that perishable goods are consumable

Heat-sensitive and time-sensitive labels, devices, and indicators for measuring heat and light for purposes of ensuring that perishable goods are consumable

Paper heat sensitive and time sensitive labels used to ensure that perishable goods are fresh and not past their sell-by dates

time-temperature sensitive labels that monitor the condition of thermally sensitive products

heat-sensitive and time-sensitive labels, devices, and indicators for measuring heat and light for purposes of ensuring that perishable goods are consumable