InventHelp Inventor Develops Alarm Device without an Audible or Visual Alarm (TRO-650)

PITTSBURGH, Sept. 29, 2022 /PRNewswire/ -- "I wanted to create a new alarm device without an audible or visual alarm that can be used to wake you and not your sleep partner," said an inventor, from Vaughn, Ontario, Canada, "so I invented the SILENT ALARM. My design would allow sleeping...