Pen

Details Pen Pen

1987-07-15

1990-06-26

Vales-Lado, Carmen H.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 41, D19 42, D19 49

Patent

active

D03088898

REFERENCES:
patent: D232267 (1974-07-01), Zepell
patent: D238359 (1976-01-01), Zepell
patent: D252520 (1979-07-01), Ijiri
patent: D252577 (1979-08-01), Leopoldi
patent: D263317 (1982-03-01), Swensson
patent: D280110 (1985-08-01), Brooks
patent: D288824 (1987-03-01), Ijiri
patent: D289302 (1987-04-01), Powell

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