Membership
Tour
Register
Log in
David Christopher Chalmers
Follow
Person
Middlesex, GB
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
High-speed digital subscriber lines
Patent number
5,668,802
Issue date
Sep 16, 1997
GPT Limited
David Christopher Chalmers
H04 - ELECTRIC COMMUNICATION TECHNIQUE