Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Intercom/wireless door bell for multi-handset telephone system

Intercom/wireless door bell for multi-handset telephone system

US Patent 7738917 · Granted Jun 15, 2010

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Systems and methods for managing file transfers and updates in a multicell netwo2025
Wireless communications system and method2024
Cordless phone system with integrated alarm and remote monitoring capability2015
Cordless phone system with integrated alarm and remote monitoring capability2014
Communications apparatus and method to avoid interference2013
Routing messages between cellular handsets and a multi-handset cordless telephon2012
Method for avoiding interference in a digital communication system2011
Remote video access capability for a wireless video monitoring/cordless phone sy2011
Remote video access capability for a wireless video monitoring/cordless phone sy2011
Wireless voice data gateway2010
Remote line access for a multi-line residential telephone2010
Wireless motion sensor using infrared illuminator and camera integrated with wir2008