File:Patent-US-422474.pdf

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Brevetto per un alimentatore del tipo overfeed.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	03:38, 15 November 2013		1,159 × 1,704, 3 pages (110 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=Otto E. Weidlich \|Assignee=Otto E. Weidlich \|Country=US \|ApplicationNum=325250 \|ApplicationDate=1889-09-27 \|PatentNum=422474 \|PatentDate=1890-03-04 \|PriorityDate=1889-09-27 \|Titolo=Fountain-pen \|Marca=Weidlich \|Descrizione=[[Alim...

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