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Gunter Ulrich
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Hanover, DE
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last 30 patents
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Patent Grant
Liquid-depositing implement for writing, drawing, painting, for cos...
Patent number
5,738,458
Issue date
Apr 14, 1998
Pelikan GmbH
Gunter Ulrich
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Patent Grant
Writing instrument with a signal cap
Patent number
4,759,651
Issue date
Jul 26, 1988
Pelikan A.G.
Christoph Manusch
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information
Patent Grant
Process for the production of a ball point pen cartridge
Patent number
4,587,999
Issue date
May 13, 1986
Pelikan A.G.
Rudolf Boiko
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES