Membership
Tour
Register
Log in
Mary R. Dedisse
Follow
Person
Denver, CO, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Providing feature transparency between a plurality of PBXs
Patent number
4,488,004
Issue date
Dec 11, 1984
AT&T Bell Laboratories
Frank J. Bogart
H04 - ELECTRIC COMMUNICATION TECHNIQUE