InventHelp Inventor Develops Improved Coaster to Keep a Beverage Cool (MHO-113)

PITTSBURGH, April 12, 2022 /PRNewswire/ -- "I wanted to create a convenient coaster that would prevent your drink from getting warm while relaxing in warmer environments like at the pool or on the patio," said an inventor, from Bellevue, Neb., "so I invented FREEZEABLE COASTERS. My design...