Fountain pen

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument

Patent

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Details

D19 43, D19 56, D19 57

Patent

active

D03676730

REFERENCES:
patent: D138346 (1944-07-01), Kahn
patent: D143051 (1945-11-01), Waldinger
patent: D183696 (1958-10-01), Kahn
patent: D198196 (1964-06-01), Hankins
patent: D247501 (1978-03-01), Malamoud
patent: D252333 (1979-07-01), Funahashi
patent: D274338 (1984-06-01), Malamoud
patent: D274628 (1984-07-01), Malamoud
patent: D282753 (1986-02-01), LeBlanc
patent: D312837 (1990-12-01), Oka
patent: D323529 (1992-01-01), Rousseau

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