Writing tip

Details Writing tip Writing tip

1996-12-09

1998-01-27

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Element or attachment

D19 48, D19 51, 1906

Patent

active

D03898679

REFERENCES:
patent: D243014 (1977-01-01), Wittnebert
patent: D281512 (1985-11-01), Kobori
patent: D340476 (1993-10-01), Hiromori
patent: D357700 (1995-04-01), Oka
patent: 2458739 (1949-01-01), Savoie
patent: 2646776 (1953-07-01), Scholz
patent: 2847975 (1958-08-01), Lawton
patent: 3093113 (1963-06-01), Reynoso

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