Pen

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

Patent

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Details

D19 43, D19 49, D19 57, D19 56, 1906

Patent

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D03898636

REFERENCES:
patent: D188972 (1960-10-01), Young
patent: D212866 (1968-12-01), Perraud
patent: D218491 (1970-08-01), Bovin et al.
patent: D223688 (1972-05-01), Schnur et al.
patent: D256925 (1980-09-01), Postrehovsky-Axel
patent: D279993 (1985-08-01), Oka
patent: D287028 (1986-12-01), Thevenot
patent: D304601 (1989-11-01), Alskog
patent: D322811 (1991-12-01), Isern
patent: D327704 (1992-07-01), Yuen
patent: D332627 (1993-01-01), Anavil et al.
patent: D339822 (1993-09-01), Mack et al.
patent: D342279 (1993-12-01), Anavil et al.
patent: D349297 (1994-08-01), Shimizu
patent: D351417 (1994-10-01), Oka
patent: D366497 (1996-01-01), Otake
Miller's Office Products, p. 763, see pen, top of page, .COPYRGT.1994.

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