US Patent 9972003 Pregame electronic commerce integrator

The PreGame payment system is provided to optimize throughput capacity for retail establishment, such as restaurants, bars, grocery stores, or the like, by providing a secure and speedy method of accumulating and paying expenses on a tab maintained with the retail establishment. The PreGame system provides the everyday patron the opportunity to open, track, and close their own tabs with each retailer via their handheld or mobile device, eliminating any physical monetary exchanges or credit card exchanges between the retail staff person and the patron.