Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Processing test calls from elevator emergency telephones

Processing test calls from elevator emergency telephones

US Patent 10129390 · Granted Nov 13, 2018

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method for operating an elevator and elevator2025
Enhanced elevator radio signal coverage2022
Local navigation system2020
Arrangements for maintaining favorite floor lists in elevator systems2018
Method for testing elevator emergency phones and elevator emergency communicatio2015