Edwin Woo

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Chula Vista, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of forming an in-ear device
- Patent number 8,343,397
- Issue date Jan 1, 2013
- Sperian Hearing Protection, LLC
- Edwin Woo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Wire band earmuff
- Patent number 6,611,963
- Issue date Sep 2, 2003
- Bacon USA Safety, Inc.
- Edwin Woo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Earplug container
- Patent number D474886
- Issue date May 27, 2003
- Bacou-Dalloz USA Safety, Inc.
- Thomas W. Fleming
- D03 - Travel goods and personal belongings
Information Patent Grant
Earmuff for noise blocking
- Patent number 5,996,123
- Issue date Dec 7, 1999
- Bacon USA Safety, Inc.
- Howard S. Leight
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
In-ear device
- Publication number 20060213524
- Publication date Sep 28, 2006
- Edwin Woo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Dual density earplug
- Publication number 20060118124
- Publication date Jun 8, 2006
- Edwin Woo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Length adjustable earplug cord
- Publication number 20050230181
- Publication date Oct 20, 2005
- Edwin Woo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Wire band earmuff
- Publication number 20030079275
- Publication date May 1, 2003
- Edwin Woo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE