Mechanical writing device

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Element or attachment

Patent

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D19 51

Patent

active

D02865491

REFERENCES:
patent: D174250 (1955-03-01), Daniels
patent: D247246 (1978-02-01), Verona
patent: D269189 (1983-05-01), Sakaoka
Art Brown Cat. 1973, p. 128D, Item No. 48.
Koh-I-Noor Pencil Co. Cat. #59, 1960, p. 34, Item No. 5649.

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