Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Telephone handsets

Telephone handsets

US Patent 4514596 · Granted Apr 30, 1985

Estimated economic value: $108,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method to accurately and securely determine propagation delay and distance betwe2014
Method of transmitting ethernet frame in network bridge and the bridge2014
Proximity control method for transmitting content and node in network using the 2014
Network synchronization method and apparatus for performing time synchronization2013
Network intermediate device and method thereof2013
Method to precisely and securely determine propagation delay and distance betwee2013
Network system supporting spanning tree protocol, relay apparatus thereof, and m2012
Method to accurately and securely determine propagation delay and distance betwe2011
Method for measuring liquid cryogen level using a level probe2011
Method of transmitting ethernet frame in network bridge and the bridge2011
Synchronizing apparatus and method in packet network2011
Method and apparatus for constant bit rate data transmission in an optical burst2010