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Donald Hay

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  • Causeway Bay, HK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Squeegee
    • Patent number D517758
    • Issue date Mar 21, 2006
    • Hayco Manufacturing Ltd.
    • Christopher Hay
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Brush
    • Patent number 6,804,852
    • Issue date Oct 19, 2004
    • Hayco Manufacturing Ltd.
    • Donald Espie Hay
    • A46 - BRUSHWARE
  • Information Patent Grant

    Cleaning implement
    • Patent number D482872
    • Issue date Dec 2, 2003
    • Hayco Manufacturing Ltd.
    • Donald Espie Hay
    • D04 - Brushware
  • Information Patent Grant

    Brush
    • Patent number D475202
    • Issue date Jun 3, 2003
    • Hayco Manufacturing Ltd.
    • Donald Espie Hay
    • D04 - Brushware
  • Information Patent Grant

    Handle for tool
    • Patent number D473117
    • Issue date Apr 15, 2003
    • Hayco Manufacturing Limited
    • Donald Espie Hay
    • D08 - Tools and hardware
  • Information Patent Grant

    Squeegee
    • Patent number D473028
    • Issue date Apr 8, 2003
    • Hayco Manufacturing Limited
    • Donald Espie Hay
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Brush
    • Patent number D461058
    • Issue date Aug 6, 2002
    • Hayco Manufacturing Ltd.
    • Donald Espie Hay
    • D04 - Brushware
  • Information Patent Grant

    Handle for barbecue utensils
    • Patent number D448973
    • Issue date Oct 9, 2001
    • Hayco Manufacturing Ltd.
    • Christopher James Mccaughan Hay
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Handle for barbecue utensil
    • Patent number D448609
    • Issue date Oct 2, 2001
    • Hayco Manufacturing Ltd.
    • Christopher James Mccaughan Hay
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Hand-held cleaning device
    • Patent number 6,287,037
    • Issue date Sep 11, 2001
    • Hayco Manufacturing Ltd.
    • Donald Hay
    • A46 - BRUSHWARE
  • Information Patent Grant

    Barbecue utensil
    • Patent number D445257
    • Issue date Jul 24, 2001
    • Hayco Manufacturing Ltd.
    • Donald Espie Hay
    • D04 - Brushware
  • Information Patent Grant

    Hand-held cleaning device
    • Patent number 6,224,283
    • Issue date May 1, 2001
    • Hayco Manufacturing Ltd.
    • Donald Hay
    • A46 - BRUSHWARE
  • Information Patent Grant

    Barbecue utensil
    • Patent number D431974
    • Issue date Oct 17, 2000
    • Hayco Manufacturing LTD
    • Donald Espie Hay
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Handle for barbecue utensils
    • Patent number D431960
    • Issue date Oct 17, 2000
    • Hayco Manufacturing LTD
    • Donald Espie Hay
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified