Steven R. Drake

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Concord, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Audio system for portable device
- Patent number 8,103,033
- Issue date Jan 24, 2012
- Bose Corporation
- Steven R Drake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
AUDIO SYSTEM FOR PORTABLE DEVICE
- Publication number 20070246291
- Publication date Oct 25, 2007
- Steven R. Drake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE