Wearable computer peripherals; wearable computer peripherals in the nature of head-mounted video display monitors; wearable peripherals for computers, tablet computers, mobile devices and mobile phones, namely, configurable head-mounted video display monitors; wearable virtual reality, augmented reality and mixed reality computer hardware; wearable virtual reality, augmented reality and mixed reality computer apparatus; wearable biometric identification apparatus; wearable computing devices c...

Ultrasonic detectors for wall thickness measurement in pipelines and other structures