Membership
Tour
Register
Log in
Hartmut Dunger
Follow
Person
Hemmingen, DE
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Broadband private automatic branch exchange
Patent number
5,440,554
Issue date
Aug 8, 1995
Alcatel N.V.
Richard Stannard
H04 - ELECTRIC COMMUNICATION TECHNIQUE