Alyssa R. Needleman

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San Diego, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hearing aid
- Patent number 8,121,320
- Issue date Feb 21, 2012
- Songbird Hearing, Inc.
- Walter P. Sjursen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hearing aid part
- Patent number D605769
- Issue date Dec 8, 2009
- Songbird Hearing, Inc.
- Walter P. Sjursen
- D24 - Medical and laboratory equipment
Information Patent Grant
Hearing aid earpiece
- Patent number D605292
- Issue date Dec 1, 2009
- Songbird Hearing, Inc.
- Walter P. Sjursen
- D24 - Medical and laboratory equipment

Patents Applicationslast 30 patents

Information Patent Application
Hearing Aid
- Publication number 20090180653
- Publication date Jul 16, 2009
- Walter P. Sjursen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE