File:Patent-US-1809992.pdf

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Inventor	Oscar J. Sundstrand
Assignee	Oscar J. Sundstrand
Country	US
Application N°	19209
Application Date	1925-03-30
Patent N°	1809992
Brevettato	1931-06-16
Priorità	1925-03-30
Brand	Unbranded
Title	Fountain pen
Description	Sistema riserva d'inchiostro

Brevetto per una stilografica con camera di riserva per l'inchiostro.

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current	00:55, 25 March 2021		1,159 × 1,704, 4 pages (223 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Assignee=Oscar J. Sundstrand \|Inventor=Oscar J. Sundstrand \|Country=US \|ApplicationNum=19209 \|ApplicationDate=1925-03-30 \|PatentNum=1809992 \|PatentDate=1931-06-16 \|PriorityDate=1925-03-30 \|Titolo=Fountain pen \|Marca=Unbranded \|Descrizione...

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