Edwin C. Johnson, Jr.

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Hopkinton, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Personal acoustic device position determination
- Patent number 8,243,946
- Issue date Aug 14, 2012
- Bose Corporation
- Benjamin D. Burge
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Personal acoustic device position determination
- Patent number 8,238,570
- Issue date Aug 7, 2012
- Bose Corporation
- Edwin C. Johnson, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Personal Acoustic Device Position Determination
- Publication number 20100246846
- Publication date Sep 30, 2010
- Benjamin D. Burge
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Personal Acoustic Device Position Determination
- Publication number 20100246847
- Publication date Sep 30, 2010
- Edwin C. Johnson, JR.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Personal Acoustic Device Position Determination
- Publication number 20100246836
- Publication date Sep 30, 2010
- Edwin C. Johnson, JR.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE