Membership
Tour
Register
Log in
Erath; Louis W.
Follow
Organization
Abbeville, LA, US
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Feedback system for a sub-woofer loudspeaker
Patent number
5,086,473
Issue date
Feb 4, 1992
Erath; Louis W.
Louis W. Erath
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Trademark
last 30 trademarks