Education services, namely providing feedback and assessment for the purpose of improving the user's golf swing

Electric doorbells and security systems, namely, electric doorbells and security systems comprising a microphone and a speaker for transmitting audible messages to remote locations; downloadable software and mobile applications for managing electrical doorbells and security systems

Aircraft ground/service crew safety products, namely, circuit breaker lockout/tagout devices

Aircraft maintenance or repair

global positioning system, namely, electronic devices capable of receiving global positioning system (GPS) signals and associated computer software used for determination of the user location