InventHelp Inventor Develops Improved Design for Backpacks (NAM-171)

PITTSBURGH, Sept. 5, 2022 /PRNewswire/ -- "I wanted to create a way to redistribute the weight of stored items when carrying a backpack," said an inventor, from Jeffersonville, Ind., "so I invented the ANNAVAIG. My design would enhance comfort and it could help to alleviate back and...