Bradley K. Witt

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Chula Vista, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Headphone
- Patent number 8,180,091
- Issue date May 15, 2012
- Sperian Hearing Protection, LLC (Delaware Limited Liability Company)
- W. Gary Sokolich
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Headphone
- Publication number 20090028348
- Publication date Jan 29, 2009
- W. Gary Sokolich
- H04 - ELECTRIC COMMUNICATION TECHNIQUE