Writing instrument

Details Writing instrument Writing instrument

1994-08-11

1995-09-05

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

D19 51, D19 56, D19 57

Patent

active

D03620204

REFERENCES:
patent: D83592 (1931-03-01), Bienenstein
patent: D86740 (1932-04-01), Peters
patent: D150647 (1948-08-01), Pearl
patent: D157471 (1950-02-01), Doux
patent: D178924 (1956-10-01), Kahn
patent: D191185 (1961-08-01), Burnham
patent: D267655 (1983-01-01), Verona
patent: D286649 (1986-11-01), Hamel
patent: D328611 (1992-08-01), Longarzo
patent: D339162 (1993-09-01), Verhaeque
patent: D352311 (1994-11-01), Waldinger

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