Felt pen

Details Felt pen Felt pen

1981-12-15

1984-08-28

Word, George P.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 51

Patent

active

D02752972

REFERENCES:
patent: D207190 (1967-03-01), Darst
patent: D217646 (1970-05-01), DeGroft
patent: D228813 (1973-10-01), Wakai
patent: D251301 (1979-03-01), Malamoud
patent: D252333 (1979-07-01), Funahashi
patent: D258217 (1981-02-01), Sakaoka
patent: D265741 (1982-08-01), Funahashi
505201 06001979 JPX

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