TREA

Muthuswamy Ethirajan

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  • Southbridge, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Protective eyewear
    • Patent number D423033
    • Issue date Apr 18, 2000
    • Cabot Safety Intermediate Corporation
    • James Hall
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Eyewear with browbar ventilation and detachable temples
    • Patent number 5,969,787
    • Issue date Oct 19, 1999
    • Cabot Safety Intermediate Corporation
    • James Hall
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Protective browbar
    • Patent number D415516
    • Issue date Oct 19, 1999
    • Cabot Safety Intermediate Corporation
    • James Hall
    • D16 - Photography and optical equipment