Line drawing apparatus

Details Line drawing apparatus Line drawing apparatus

1995-06-26

1996-04-09

Thompson, Martie

Office supplies; artists and teachers materials

Equipment for writing, drawing, or for fine arts

Plural or combined

D19 51, D19 38, D19 35

Patent

active

D03687376

REFERENCES:
patent: D116018 (1939-08-01), Cathcard
patent: D306315 (1990-02-01), Shintani
patent: D339377 (1993-09-01), Irving
patent: 724445 (1903-04-01), Decker
patent: 883009 (1908-03-01), Gee
patent: 976687 (1910-11-01), Pickwick, Jr.
patent: 1093606 (1914-04-01), Cooley
patent: 2388361 (1945-11-01), Lynex
patent: 2827703 (1958-03-01), Patterson et al.
patent: 3762054 (1973-10-01), Ballard

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