TREA

Akimi C. Cheng

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  • Clarendon Hills, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Integrated window/light shelf system
    • Patent number 6,134,842
    • Issue date Oct 24, 2000
    • Chi Cheng
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Ball bearing piston and liner
    • Patent number 5,893,318
    • Issue date Apr 13, 1999
    • Chi Cheng
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Roller bearing piston
    • Patent number 5,615,600
    • Issue date Apr 1, 1997
    • Chi Cheng
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...