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Chan Yuk On
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Hong Kong, HK
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Patents Grants
last 30 patents
Information
Patent Grant
Frets device for a handheld game
Patent number
D632340
Issue date
Feb 8, 2011
Activision Publishing, Inc.
Lee Guinchard
D21 - Games, toys, and sports goods
Information
Patent Grant
Guitar game controller face
Patent number
D626962
Issue date
Nov 9, 2010
Activision Publishing, Inc.
Lee Guinchard
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Frets device for a handheld game
Patent number
D610625
Issue date
Feb 23, 2010
Activision Publishing, Inc.
Lee Guinchard
D21 - Games, toys, and sports goods
Information
Patent Grant
Video game pick stylus
Patent number
D588639
Issue date
Mar 17, 2009
Activision Publishing, Inc.
Lee Guinchard
D19 - Office supplies