InventHelp Inventor Develops New Backpack for Two People (CSK-368)

PITTSBURGH, April 10, 2023 /PRNewswire/ — “I thought there should be a backpack that can be employed by two people to redistribute the weight load and reduce incidences of back pain,” said an inventor, from North Charleston, S.C., “so I invented THE DOUBLE BACK PACK. My backpack design…