Membership
Tour
Register
Log in
Inez F. Arend
Follow
Person
Mountain View, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Single frequency tone receiver
Patent number
4,277,650
Issue date
Jul 7, 1981
Northern Telecom Limited
Inez F. Arend
H04 - ELECTRIC COMMUNICATION TECHNIQUE