Rong-Lin Sheu

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Wu Jieh Hsiang, TW

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Patents Grantslast 30 patents

Information Patent Grant
Ink cartridge structure for pens
- Patent number 7,959,368
- Issue date Jun 14, 2011
- Rong-Lin Sheu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Automatic pencil
- Patent number 7,658,567
- Issue date Feb 9, 2010
- Rong-Lin Sheu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Mechanical pencil
- Patent number 7,448,815
- Issue date Nov 11, 2008
- Rong-Lin Sheu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Automatic pencil assembly
- Patent number 6,767,150
- Issue date Jul 27, 2004
- Rong-Lin Sheu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Automatic pencil structure
- Patent number 6,254,296
- Issue date Jul 3, 2001
- Rong-Lin Sheu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC PENCIL
- Publication number 20090257813
- Publication date Oct 15, 2009
- Rong-Lin Sheu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
INK CARTRIDGE STRUCTURE FOR PENS
- Publication number 20090190992
- Publication date Jul 30, 2009
- Rong-Lin Sheu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
MULTI-FUNCTION COMBINATION PEN
- Publication number 20080226378
- Publication date Sep 18, 2008
- Rong-Lin Sheu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES