As I understand it there was multiple "vaping" device invented a long time prior to Ruyan at any time mass developed an e-cigarette, the most well known one particular getting the one from the patent pic under from Herbert Gilbert. You will find autos and buttons and autos with backup https://vape-carts04792.acidblog.net/66165065/the-best-side-of-where-to-buy-vapes-online-at-18