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Container for lead refill
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Patent number 6,179,124
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Issue date Jan 30, 2001
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Pentel K.K.
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Shigeo Oka
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Lead dispensing storage container
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Patent number 5,788,118
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Issue date Aug 4, 1998
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Kotobuki & Co., Ltd.
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Shuhei Kageyama
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Lead dispensing storage container
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Patent number 5,720,643
-
Issue date Feb 24, 1998
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Kotobuki & Co., Ltd.
-
Shuhei Kageyama
-
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Crayon organizer
-
Patent number 5,590,811
-
Issue date Jan 7, 1997
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David Hill
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Chalk dispenser
-
Patent number 5,520,309
-
Issue date May 28, 1996
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Alfred C. Roth
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Lead dispensing storage container
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Patent number 5,480,249
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Issue date Jan 2, 1996
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Kotobuki & Co., Ltd.
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Shuhei Kageyama
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Stick-shaped object dispenser
-
Patent number 5,388,722
-
Issue date Feb 14, 1995
-
Kotobuki & Co., Ltd.
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Hidehei Kageyama
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Combined chalk and eraser dispenser
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Patent number 5,351,840
-
Issue date Oct 4, 1994
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University of Pennsylvania
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Louis A. Visco
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Case for storing spare leads
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Patent number 4,811,842
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Issue date Mar 14, 1989
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Chitose Kagaku Kogyo Co., Ltd.
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Takashi Sekiya
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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-
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Writing implement and kit
-
Patent number 4,515,492
-
Issue date May 7, 1985
-
Chen J. Shan
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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3794214
-
Patent number 3,794,214
-
Issue date Feb 26, 1974
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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2752065
-
Patent number 2,752,065
-
Issue date Jun 26, 1956
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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1678642
-
Patent number 1,678,642
-
Issue date Jul 31, 1928
-
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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1676250
-
Patent number 1,676,250
-
Issue date Jul 10, 1928
-
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES