InventHelp Inventor Develops Improved Toothbrush (LGI-2564)

March 13, 2018

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PITTSBURGH, March 13, 2018 /PRNewswire/ — “Brushing too hard can cause damage to the teeth and gums,” said an inventor from Rego Park, N.Y. “In order to help people take good care of their teeth while avoiding the dangers of brushing too hard, I came up with an improved toothbrush…

Category: Precious Metals