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Zen Design Group, Inc.
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Berkley, MI, US
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Patents Grants
last 30 patents
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
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
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
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Patents Applications
last 30 patents
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
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
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
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Trademark
last 30 trademarks
Information
Trademark
77498516 - CRANK 'N RACE
Serial number
77498516
Filing date
Jun 13, 2008
Zen Design Group, Inc.
28 - Games and playthings
Information
Trademark
77498526 - DYNAMOTION
Serial number
77498526
Registration number
3597736
Filing date
Jun 13, 2008
Zen Design Group, Inc.
28 - Games and playthings