InventHelp Inventor Develops New Marine Safety Device (SGJ-211)

PITTSBURGH, May 29, 2023 /PRNewswire/ — “I thought there should be a system to immediately attract attention if someone falls overboard from a boat into a river, lake, or ocean,” said an inventor, from Long Beach, Calif., “so I invented the SIREN CALL WHICH IS A PERSONAL MARINE SAFETY…