Peter Premo

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Charlton, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Phase plug and acoustic lens for direct radiating loudspeaker
- Patent number 8,672,088
- Issue date Mar 18, 2014
- Harman International Industries, Inc.
- Brian Sterling
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase plug and acoustic lens for direct radiating loudspeaker
- Patent number 8,418,802
- Issue date Apr 16, 2013
- Harman International Industries, Incorporated
- Brian Sterling
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase plug and acoustic lens for direct radiating loudspeaker
- Patent number 8,181,736
- Issue date May 22, 2012
- Harman International Industries, Incorporated
- Brian Sterling
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PHASE PLUG AND ACOUSTIC LENS FOR DIRECT RADIATING LOUDSPEAKER
- Publication number 20130228393
- Publication date Sep 5, 2013
- HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
- Brian Sterling
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHASE PLUG AND ACOUSTIC LENS FOR DIRECT RADIATING LOUDSPEAKER
- Publication number 20120279797
- Publication date Nov 8, 2012
- HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
- Brian Sterling
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHASE PLUG AND ACOUSTIC LENS FOR DIRECT RADIATING LOUDSPEAKER
- Publication number 20110168480
- Publication date Jul 14, 2011
- HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
- Brian Sterling
- H04 - ELECTRIC COMMUNICATION TECHNIQUE