TREA

Jeffrey A. Armstrong

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  • Kirkland, WA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Retractable eyeshield
    • Patent number 4,810,078
    • Issue date Mar 7, 1989
    • Jeffrey A. Armstrong
    • G02 - OPTICS
  • Information Patent Grant

    Partial eyeshield
    • Patent number 4,729,648
    • Issue date Mar 8, 1988
    • Jeffrey A. Armstrong
    • G02 - OPTICS