Digital key telephone system
A Standard patent application filed on 05 October 1988 credited to Irwin, George Frank ; Smelters, Paul Joseph ; Chapman, Alan Stanley John ; Maginley, Ronald James ; Robertson, David Joseph

Details

Application number :

23456  

Application type :

Standard  

Application status :

CEASED  

Under opposition :

No  

Proceeding type :

 

Invention title :

Digital key telephone system  

Inventor :

Irwin, George Frank ; Smelters, Paul Joseph ; Chapman, Alan Stanley John ; Maginley, Ronald James ; Robertson, David Joseph  

Agent name :

Griffith Hack  

Address for service :

GPO Box 1285 MELBOURNE VIC 3001  

Filing date :

05 October 1988  

Associated companies :

 

Applicant name :

Nortel Networks Corporation  

Applicant address :

World Trade Center Of Montreal 380 St. Antoine Street West 8th Floor, Montreal Quebec H2Y 3Y4, Canada  

Old name :

Northern Telecom Limited  

Original Source :

Go  

Related Patents

• Digital key telephone system
• Digital key telephone system
• Digital key telephone system
• Digital key telephone system
• Wireless digital key telephone system

Same Inventor

• Digital key telephone system