Membership
Tour
Register
Log in
Xuan Ho Tan
Follow
Person
Tamm, DE
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Combined narrow band and broad band telephone communication system
Patent number
4,654,866
Issue date
Mar 31, 1987
International Standard Electric Corporation
Dietrich Bottle
H04 - ELECTRIC COMMUNICATION TECHNIQUE