TREA

Kai-Shun Mak

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  • Kowloon, HK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drawing board
    • Patent number 6,092,294
    • Issue date Jul 25, 2000
    • Hop Lee Cheong Industrial Company Limited
    • Kai-Shun Mak
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Toy drawing table
    • Patent number D427649
    • Issue date Jul 4, 2000
    • Hop Lee Cheong Industrial Company Limited
    • Kai-Shun Mak
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Levitation blower
    • Patent number 6,045,341
    • Issue date Apr 4, 2000
    • Hop Lee Cheong Industrial Company Limited
    • Kai-Shun Mak
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Toy drawing board
    • Patent number D419599
    • Issue date Jan 25, 2000
    • Hop Lee Cheong Industrial Company Ltd.
    • Kai-Shun Mak
    • D19 - Office supplies
  • Information Patent Grant

    Toy drawing board
    • Patent number D419190
    • Issue date Jan 18, 2000
    • Hop Lee Cheong Industrial Company Ltd.
    • Kai-Shun Mak
    • D19 - Office supplies
  • Information Patent Grant

    Toy building element
    • Patent number D411865
    • Issue date Jul 6, 1999
    • Hop Lee Cheong Industrial Limited
    • Kai-Shun Mak
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Toy building element
    • Patent number D409687
    • Issue date May 11, 1999
    • Hop Lee Cheong Industrial Limited
    • Kai-Shun Mak
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Table for educational games
    • Patent number D399680
    • Issue date Oct 20, 1998
    • Hop Lee Cheong Industrial Co., Ltd.
    • Kai-Shun Mak
    • D06 - Furnishings
  • Information Patent Grant

    Baby walker
    • Patent number D391531
    • Issue date Mar 3, 1998
    • Hop Lee Cheong Industrial Company Limited
    • Kai-Shun Mak
    • D12 - Transportation
  • Information Patent Grant

    Disc shooter
    • Patent number D390284
    • Issue date Feb 3, 1998
    • Hop Lee Cheong Industrial Company Limited
    • Kai-Shun Mak
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Drawing board
    • Patent number D358608
    • Issue date May 23, 1995
    • Hop Lee Cheong Industrial Co. Ltd.
    • Kai-Shun Mak
    • D19 - Office supplies
  • Information Patent Grant

    Drawing board
    • Patent number D356824
    • Issue date Mar 28, 1995
    • Hop Lee Cheong Industrial Co., Ltd.
    • Kai-Shun Mak
    • D19 - Office supplies
  • Information Patent Grant

    Drawing board
    • Patent number D356335
    • Issue date Mar 14, 1995
    • Hop Lee Cheong Industrial Company Ltd.
    • Kai-Shun Mak
    • D19 - Office supplies
  • Information Patent Grant

    Drawing board
    • Patent number D356336
    • Issue date Mar 14, 1995
    • Hop Lee Cheong Industrial Company Ltd.
    • Kai-Shun Mak
    • D19 - Office supplies
  • Information Patent Grant

    Child's magic drawing board
    • Patent number 5,393,231
    • Issue date Feb 28, 1995
    • Hop Lee Cheong Industrial Co. Ltd.
    • Kai-Shun Mak
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Drawing board
    • Patent number D345177
    • Issue date Mar 15, 1994
    • Hop Lee Cheong Industrial Co. Ltd.
    • Kai-Shun Mak
    • D19 - Office supplies
  • Information Patent Grant

    Drawing board
    • Patent number D336751
    • Issue date Jun 22, 1993
    • Hop Lee Cheong Industrial Co.
    • Kai-Shun Mak
    • D19 - Office supplies