Ball-point pen

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument

Patent

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Details

D19 51, D19 57, 1906

Patent

active

D04265734

REFERENCES:
patent: D121406 (1940-07-01), Whitehouse
patent: D162805 (1951-04-01), Ferber
patent: D286547 (1986-11-01), Koizumi et al.
patent: D357276 (1995-04-01), Bruhn
patent: D395672 (1998-06-01), Navarro
patent: D403704 (1999-01-01), Arita
patent: D404425 (1999-01-01), Suzuki
patent: D404427 (1999-01-01), Takanashi

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