90541807
Feb 23, 2021
Doors; Prehung doors; Doors having electric power, data and control systems for connection with electric and electronic devices; Prehung doors having electric power, data and control systems for connection with electric and electronic devices; downloadable software for computers, smartphones and tablets for communicating with and operating doors and prehung doors; replacement parts for electric power, data and control systems of doors and prehung doors
Nonmetallic Building Materials