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Stephen Hu
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Hsin-Chu Industrial Park, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Double locks for the chassis of game-bed
Patent number
6,510,569
Issue date
Jan 28, 2003
Stephen Hu
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Chassis of a baby go-cart
Patent number
D449569
Issue date
Oct 23, 2001
Stephen Hu
D12 - Transportation
Information
Patent Grant
Ratchet wheel device for a baby walker
Patent number
6,189,660
Issue date
Feb 20, 2001
Stephen Hu
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Fixing device for wheel seats of a baby stroller
Patent number
6,152,539
Issue date
Nov 28, 2000
Stephen Hu
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Angular auto-adjusting skid-proof pad system on a baby walker
Patent number
RE36967
Issue date
Nov 28, 2000
Stephen Hu
280 - Land vehicles
Information
Patent Grant
Device for the armrest of a baby stroller
Patent number
6,120,054
Issue date
Sep 19, 2000
Stephen Hu
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Direction-changing and positioning device for the handle of a baby...
Patent number
6,116,624
Issue date
Sep 12, 2000
Stephen Hu
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Wheel device for a baby walker
Patent number
6,070,701
Issue date
Jun 6, 2000
Stephen Hu
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Wheel rim for baby strollers
Patent number
D425848
Issue date
May 30, 2000
Stephen Hu
D12 - Transportation
Information
Patent Grant
Orientation roller mechanism for baby strollers
Patent number
6,068,274
Issue date
May 30, 2000
Stephen Hu
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Structure of wheel seat for a baby stroller
Patent number
5,975,545
Issue date
Nov 2, 1999
Stephen Hu
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Wheel fixing device for a baby stroller
Patent number
5,957,544
Issue date
Sep 28, 1999
Stephen Hu
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Chassis of a baby go-cart
Patent number
D407352
Issue date
Mar 30, 1999
Stephen Hu
D12 - Transportation
Information
Patent Grant
Angular auto-adjustive skid-proof pad system on a baby stroller
Patent number
5,865,451
Issue date
Feb 2, 1999
Stephen Hu
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Baby's carriage for teaching children to walk
Patent number
5,590,892
Issue date
Jan 7, 1997
Stephen Hu
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Brake of a baby's walker
Patent number
5,586,622
Issue date
Dec 24, 1996
Stephen Hu
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Baby walker tray
Patent number
D339772
Issue date
Sep 28, 1993
Stephen Hu
D12 - Transportation
Information
Patent Grant
Mobile telephone battery power supply unit with power detection and...
Patent number
5,223,780
Issue date
Jun 29, 1993
Stephen Hu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Toy automobile dashboard
Patent number
D328624
Issue date
Aug 11, 1992
Stephen Hu
D21 - Games, toys, and sports goods
Information
Patent Grant
Baby walker
Patent number
D308657
Issue date
Jun 19, 1990
Stephen Hu
D12 - Transportation
Patents Applications
last 30 patents
Information
Patent Application
Sunshade device for stroller
Publication number
20060038368
Publication date
Feb 23, 2006
Stephen Hu
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
SAFETY DEVICE FOR THE FRAME OF A PLAYPEN
Publication number
20020138900
Publication date
Oct 3, 2002
Stephen Hu
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...