$VPRB is a market leader and pioneer in electronic cigarettes and vaporizers for nicotine, cannabis and CBD. Its patented technology is one of the original filed electronic cigarette patents dating back to 2009 and includes two broad, independent claims covering electronic cigarette products containing an electric airflow sensor, including a sensor comprised of a diaphragm microphone. The sensor turns the battery on and off, and covers auto-draw, buttonless e-cigarettes, cigalikes and vaporizers using an airflow sensor. This technology is covered under electronic cigarette utility patent US 8205622 https://finance.yahoo.com/news/vpr-brands-mon...52584.html