File:Patent-US-2554641.pdf

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Brevetto per un sistema di caricamento presumibile evoluzione del leverless. Stessa invenzione di nº GB-595652. Priorità dal brevetto inglese. Riferimenti a nº US-785653, nº US-1195125 e nº US-2133617, ed inoltre nº GB-408882, nº GB-457212.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	22:45, 17 April 2013		1,159 × 1,704, 6 pages (281 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=Edward Stephen Sears, Bushey Heath \|Assignee=Mabie, Todd & Company Limited \|Country=US \|ApplicationNum=675904 \|ApplicationDate=1946-06-11 \|PatentNum=2554641 \|PatentDate=1951-05-29 \|PriorityDate=1945-06-15 \|Titolo=Fountain pen \|Ma...

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