TREA

Hei Wai CHOI

Follow

Person

  • Hong Kong, CN
People

Patents Applicationslast 30 patents

  • Information Patent Application

    SPRAYING DEVICE
    • Publication number 20170259292
    • Publication date Sep 14, 2017
    • CONOPCO, INC., D/B/A UNILEVER
    • Hei Wai CHOI
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    VARIABLE AMPLITUDE VIBRATORY APPLIANCE
    • Publication number 20120086290
    • Publication date Apr 12, 2012
    • HAYCO MANUFACTURING LIMITED
    • Bengt IVARSSON
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    VARIABLE AMPLITUDE VIBRATORY APPLIANCE
    • Publication number 20120073849
    • Publication date Mar 29, 2012
    • HAYCO MANUFACTURING LIMITED
    • Bengt IVARSSON
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE