Membership
Tour
Register
Log in
Ian D. Buchanan
Follow
Person
London, CA
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Base for a telephone set or similar article
Patent number
D328072
Issue date
Jul 21, 1992
Northern Telecom Limited
Ian D. Buchanan
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Shutter mechanism for telephone directory
Patent number
4,947,424
Issue date
Aug 7, 1990
Northern Telecom Limited
Gad J. Shaanan
H04 - ELECTRIC COMMUNICATION TECHNIQUE