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Ben Braun
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Syosset, NY, US
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last 30 patents
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Patent Grant
Embouchure pens having plural contiguous nibs
Patent number
4,171,168
Issue date
Oct 16, 1979
Ben Braun
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Patent Grant
Embouchure pen
Patent number
3,950,106
Issue date
Apr 13, 1976
Ben Braun
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES