DAVID CASTONGUAY

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BREAKEYVILLE, CA

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Patents Grantslast 30 patents

Information Patent Grant
System and a method for detecting loudspeaker chain failure
- Patent number 11,284,208
- Issue date Mar 22, 2022
- SYSTÈMES DE CONTRÔLE ACTIF SOFT DB INC.
- David Castonguay
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND A METHOD FOR DETECTING LOUDSPEAKER CHAIN FAILURE
- Publication number 20200396554
- Publication date Dec 17, 2020
- SOFT DB INC.
- DAVID CASTONGUAY
- H03 - BASIC ELECTRONIC CIRCUITRY