Membership
Tour
Register
Log in
Paul R. Ambourn
Follow
Person
St. Paul, MN, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Two channel audio surround sound circuit
Patent number
7,564,982
Issue date
Jul 21, 2009
Phantom Technologies, Inc.
Paul R. Ambourn
H03 - BASIC ELECTRONIC CIRCUITRY