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Dallas-Fort Worth ranked No. 13 for patents out of 250 metros. Patents granted include: Nvidia's sound-activated control system, Shavelogic's pivoting razors, YSEOP's techniques for automatic generation of natural language text, Shooting Simulator's method for marksmanship training, Wells Fargo's biometric electronic signature tokens, Advatect Diagnostics' compositions for detecting fungi and mycotoxins, Bell's avionics system for using a smartphone to input-output flight data, CareView Communications' system and method for predicting patient falls using motion feature patterns, Moneygram's methods for providing bail and bond services via a money transfer network, and HoboLoco's foot-operated video game and virtual reality controller.