John Michael Page Konx

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Austin, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Hearing damage limiting headphones
- Patent number 10,063,954
- Issue date Aug 28, 2018
- III Holdings 4, LLC
- Frederick Charles Neumeyer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
HEARING DAMAGE LIMITING HEADPHONES
- Publication number 20180063619
- Publication date Mar 1, 2018
- III Holdings 4, LLC
- Frederick Charles Neumeyer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HEARING DAMAGE LIMITING HEADPHONES
- Publication number 20160007109
- Publication date Jan 7, 2016
- III Holdings 4, LLC
- Frederick Charles Neumeyer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE