comprising magnetic particles therein

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B43L19/0031

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BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING B43L19/00Erasers, rubbers, or erasing devices Holders therefor

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B43L19/0031comprising magnetic particles therein

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Patents Grantslast 30 patents

Information Patent Grant
Front face erasable microcapsule magnetophoretic display sheet, era...
- Patent number 7,070,856
- Issue date Jul 4, 2006
- A-Son Enterprise, Inc.
- Takashi Iwasaki
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Method and device for erasing and writing on magnetic recording med...
- Patent number 5,317,340
- Issue date May 31, 1994
- Hemant K. Mody
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Magnetic eraser dust collector
- Patent number 4,554,703
- Issue date Nov 26, 1985
- Taiyo Yuden Co., Ltd.
- Shouzo Matuki
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
2528709
- Patent number 2,528,709
- Issue date Nov 7, 1950
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Message doll and message doll set
- Publication number 20070018962
- Publication date Jan 25, 2007
- Isamu Takahashi
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Front face erasable microcapsule magnetophoretic writing magnet
- Publication number 20060292361
- Publication date Dec 28, 2006
- Takashi Iwasaki
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Golf-shaped stationery assembly
- Publication number 20060243607
- Publication date Nov 2, 2006
- Thomas Yeh
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Front face erasable microcapsule magnetophoretic erasing magnet
- Publication number 20060147754
- Publication date Jul 6, 2006
- Takashi Iwasaki
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Front face erasable microcapsule magnetophoretic display sheet, era...
- Publication number 20060093858
- Publication date May 4, 2006
- A SON ENTERPRISE, INC.
- Takashi Iwasaki
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Front face erasable microcapsule magnetophoretic display sheet, era...
- Publication number 20030170457
- Publication date Sep 11, 2003
- A Son Enterprise Inc
- Takashi Iwasaki
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES