InventHelp Inventor Develops New Self-Cooling Cooler (MHO-355)

PITTSBURGH, May 15, 2024 /PRNewswire/ — “I thought there should be a self-cooling cooler to keep food and drinks cold without the use of ice,” said an inventor, from Fort Dodge, Iowa, “so I invented the BATTERY POWERED COOLER. My design would keep food cold, fresh, safe, and dry for a…

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