Brian Rois

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St. Louis, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Tube amplifier systems and related methods
- Patent number 9,484,869
- Issue date Nov 1, 2016
- Brian Rois
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Apparatus and methods for limiting sound volume
- Patent number 9,167,340
- Issue date Oct 20, 2015
- Direct Sound Headphones, LLC
- Brian Anthony Rois
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Tube Amplifier Systems and Related Methods
- Publication number 20140266430
- Publication date Sep 18, 2014
- Brian Rois
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Apparatus and Methods for Limiting Sound Volume in Headphones
- Publication number 20140105414
- Publication date Apr 17, 2014
- DIRECT SOUND HEADPHONES, LLC
- Brian Anthony Rois
- H04 - ELECTRIC COMMUNICATION TECHNIQUE