Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Electronic exchange apparatus having separated exchange unit and general-purpose control unit

Electronic exchange apparatus having separated exchange unit and general-purpose control unit

US Patent 5729601 · Granted Mar 17, 1998

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Resistance spot welder2014
Resistance spot welder and a bearing/spindle arrangement for the resistance spot2011
Method of and apparatus for authenticating client terminal by making use of port2007
Method and apparatus for Web direct-dialing connection2006
Multimedia data communication system2004
Multimedia information communication system2003
Communication system2003
Communication system and communication channel coupling method2002
Computer network system with telephonic function2001
Apparatus for electronic exchange having a general-purpose bus separating the ex1999
Cross-software development/maintenance system1994
Temperature measurement device1988