InventHelp Inventor Develops New Article of Workout Equipment (TRO-1518)

PITTSBURGH, Nov. 26, 2025 /PRNewswire/ -- "I wanted to create a new article of workout equipment to train and strengthen the core or abdominal muscles," said an inventor, from Hamilton, ON, Canada, "so I invented the PLANKMASTER. My design could help create stronger abdominal muscles to...

Read More