As I understand it there was multiple "vaping" device invented a long time prior to Ruyan at any time mass manufactured an e-cigarette, quite possibly the most well known one staying the one particular inside the patent pic below from Herbert Gilbert. You will discover autos and buttons and autos https://jasperorbdv.blogproducer.com/42182889/helping-the-others-realize-the-advantages-of-buy-mods-vape-online