Felt tipped pen

Details Felt tipped pen Felt tipped pen

1990-06-15

1992-06-02

Walsh, Donald P.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 43, D19 51, D19 57

Patent

active

D03266842

REFERENCES:
patent: D100380 (1936-07-01), Lynn
patent: D217838 (1970-06-01), Lee et al.
patent: D251123 (1979-02-01), Horntrich
patent: D267886 (1983-02-01), Albertini
patent: D268598 (1983-04-01), Mizutani et al.
patent: D286163 (1986-10-01), Shintani
patent: D286546 (1986-11-01), Funahashi
patent: D295537 (1988-05-01), Davidson et al.
patent: D295878 (1988-05-01), Lovell
patent: D306873 (1990-03-01), Yazaki

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