Writing pen

Details Writing pen Writing pen

1992-11-25

1994-03-08

Holtje, Nelson C.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 41, D19 46, D19 48, D24189

Patent

active

D03449785

REFERENCES:
patent: D207563 (1967-05-01), Bailey, Jr.
patent: D229446 (1973-11-01), Dahl
patent: D270193 (1983-08-01), Klein
patent: D292826 (1987-11-01), Sproles
patent: D300331 (1989-03-01), Horntrich
patent: D302985 (1989-08-01), Vinck
patent: D305341 (1990-01-01), Dolan, Sr.
patent: D316730 (1991-05-01), Yoshida
patent: D322811 (1991-12-01), Isern
patent: 4706995 (1987-11-01), Dopp
patent: 4808172 (1989-02-01), Murata
patent: 4815880 (1989-03-01), Sekiguchi

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