Membership
Tour
Register
Log in
Norman Levenstein
Follow
Person
Munroe Falls, OH, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Loud speaker
Patent number
D278811
Issue date
May 14, 1985
Audio-Technica, U.S.
Jeffrey N. White
D14 - Recording, communication, or information retrieval equipment