Cameras for monitoring pets; Cell phone holders for vehicles; Converters for electric plugs; Electric current control devices; Electrical outlet plates; Electrical voltage tester pens; Food timers; Gas sensors for measuring gas concentration; Laser range finders; Optical lenses; Personal stereos; Portable power chargers; Smart home hubs using artificial intelligence comprised of voice-activated speakers, computer hardware, and downloadable software for controlling networked devices in the int...