TREA

Shu Kun Chang

Follow

Person

  • Evanston, IL, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Water filtration device
    • Patent number D629488
    • Issue date Dec 21, 2010
    • 3M Innovative Properties Company
    • Sean C. McGreevy
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water treatment device
    • Patent number D626621
    • Issue date Nov 2, 2010
    • 3M Innovative Properties Company
    • Judd D. Olson
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water treatment cartridge
    • Patent number D625772
    • Issue date Oct 19, 2010
    • 3M Innovative Properties Company
    • Judd D. Olson
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Water bottle
    • Patent number D625560
    • Issue date Oct 19, 2010
    • 3M Innovative Properties Company
    • Judd D. Olson
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Water bottle
    • Patent number D621219
    • Issue date Aug 10, 2010
    • 3M Innovative Properties Company
    • Sean C. McGreevy
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified