Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › SMS-supported method for online/offline detection of user groups in mobile wireless networks

SMS-supported method for online/offline detection of user groups in mobile wireless networks

US Patent 6650891 · Granted Nov 18, 2003

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Pet door2010
Self-cleaning filter assembly2010
Sequential calling system with prioritization of the last dialed telephone numbe2004
Aquarium filter1996