Combined pen and knife

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Plural or combined

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D19 41

Patent

active

D03021742

REFERENCES:
patent: D137339 (1944-02-01), Liukko
patent: D138875 (1944-09-01), Weiss
patent: D152847 (1949-02-01), Weiss
patent: D155561 (1949-10-01), Weiss

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