TREA

Kai C. Su

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  • Alpharetta, GA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical lens with a tail
    • Patent number D449321
    • Issue date Oct 16, 2001
    • Technology Resource International Corporation
    • Kai C. Su
    • D16 - Photography and optical equipment
  • Information Patent Grant

    Gasket for lens making
    • Patent number D434050
    • Issue date Nov 21, 2000
    • Technology Resource International Corporation
    • Kai C. Su
    • D15 - Machines not elsewhere specified