TREA

David Perrin

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  • Warren, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dynamo powered toy
    • Patent number 8,616,933
    • Issue date Dec 31, 2013
    • Sun Yu
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Dynamo powered amusement device
    • Patent number 8,298,036
    • Issue date Oct 30, 2012
    • Zen Design Group, LTD
    • Sun Yu
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Dynamo powered toy
    • Patent number 8,257,136
    • Issue date Sep 4, 2012
    • Sun Yu
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Battery charger amusement device
    • Patent number RE42469
    • Issue date Jun 21, 2011
    • Zen Design Group
    • Sun Yu
    • 320 - Electricity: battery or capacitor charging or discharging
  • Information Patent Grant

    Amusement apparatus operative as a dynamo battery charger
    • Patent number 7,679,320
    • Issue date Mar 16, 2010
    • Zen Design Group, LTD
    • Sun Yu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Battery charger amusement device
    • Patent number 7,259,541
    • Issue date Aug 21, 2007
    • Sun Yu
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Battery charger amusement device
    • Patent number 6,995,542
    • Issue date Feb 7, 2006
    • Zen Design Group, LTD
    • Sun Yu
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Animate form headlamp
    • Patent number 6,896,390
    • Issue date May 24, 2005
    • Zen Design Group, Inc.
    • Sun Yu
    • F21 - LIGHTING
  • Information Patent Grant

    Canted head-mounted light
    • Patent number 6,877,875
    • Issue date Apr 12, 2005
    • Zen Design Group, LTD
    • Sun Yu
    • F21 - LIGHTING
  • Information Patent Grant

    Ultraviolet light writing system
    • Patent number 6,860,616
    • Issue date Mar 1, 2005
    • IQ Hong Kong, Ltd.
    • Sun Yu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    DYNAMO POWERED TOY
    • Publication number 20120302126
    • Publication date Nov 29, 2012
    • Sun Yu
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    DYNAMO POWERED AMUSEMENT DEVICE
    • Publication number 20080125006
    • Publication date May 29, 2008
    • Sun Yu
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Simulative form audio player
    • Publication number 20070292825
    • Publication date Dec 20, 2007
    • Sun Yu
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    DYNAMO POWERED TOY
    • Publication number 20070173172
    • Publication date Jul 26, 2007
    • Sun Yu
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Amusement apparatus operative as a dynamo battery charger
    • Publication number 20070090787
    • Publication date Apr 26, 2007
    • Sun Yu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Ultraviolet invisible ink dry erase board
    • Publication number 20050271452
    • Publication date Dec 8, 2005
    • Sun Yu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Invisible ink quiz game
    • Publication number 20050170324
    • Publication date Aug 4, 2005
    • Sun Yu
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Greeting card incorporating ultraviolet light emitting diode
    • Publication number 20050060919
    • Publication date Mar 24, 2005
    • Sun Yu
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Application

    ANIMATE FORM HEADLAMP
    • Publication number 20050036304
    • Publication date Feb 17, 2005
    • Sun Yu
    • F21 - LIGHTING
  • Information Patent Application

    Illuminated computer peripheral
    • Publication number 20040201573
    • Publication date Oct 14, 2004
    • Zen Design Group, Ltd.
    • Sun Yu
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Canted head-mounted light
    • Publication number 20040085756
    • Publication date May 6, 2004
    • Sun Yu
    • A42 - HEADWEAR
  • Information Patent Application

    Phosphorescent writing system
    • Publication number 20040076460
    • Publication date Apr 22, 2004
    • Zen Design Group, Ltd.
    • Sun Yu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Battery charger amusement device
    • Publication number 20040051501
    • Publication date Mar 18, 2004
    • Sun Yu
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Ultraviolet light writing system
    • Publication number 20030112623
    • Publication date Jun 19, 2003
    • Zen Design Group, Ltd.
    • Sun Yu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES