Writing instrument

Details Writing instrument Writing instrument

1999-04-22

2000-04-25

Holtje, Martie K.

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Marking instrument

53 55, 1906

Patent

active

D04235789

REFERENCES:
patent: D64772 (1924-05-01), Swanberg
patent: D408057 (1999-04-01), Izushima
patent: D409660 (1999-05-01), Izushima
patent: D410030 (1999-05-01), Sunaga
patent: D412014 (1999-07-01), Izushima
patent: D414512 (1999-09-01), Yazawa
patent: D417891 (1999-12-01), Izushima
patent: 1353215 (1920-09-01), Campbell
patent: 2690736 (1954-10-01), Musser

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