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 48, D19 56

Patent

active

D03507718

REFERENCES:
patent: D130999 (1942-01-01), Martin et al.
patent: D140026 (1945-01-01), Schladermundt et al.
patent: D151658 (1948-11-01), Sams
patent: D151771 (1948-11-01), Kaupmann
patent: D323189 (1992-01-01), Tu
patent: D329460 (1992-09-01), Rousseau

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