Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for extending the useful life of a cordless telephone backup battery during a power outage condition

Method for extending the useful life of a cordless telephone backup battery during a power outage condition

US Patent 6625281 · Granted Sep 23, 2003

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Signal timing coordination system for crosswalk beacons2015
Wireless multi-unit conference phone2013