Ed win Woo

Person

  • Chula Vista, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Dual density earplug

    • Patent number 7,220,372
    • Issue date May 22, 2007
    • Howard Leight Industries, LLC
    • Ed win Woo
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE