File:Patent-US-2358091.pdf

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Brevetto per una matita meccanica. Secondo quanto riportato in questa pagina questo brevetto compare anche su matite Eversharp.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	01:37, 22 November 2013		1,159 × 1,704, 7 pages (394 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=Charles K. Lovejoy \|Assignee=The Moore Pen Company \|Country=US \|ApplicationNum=519259 \|ApplicationDate=1944-01-22 \|PatentNum=2358091 \|PatentDate=1944-09-12 \|PriorityDate=1944-01-22 \|Titolo=Mechanical pencil \|Marca=Moore \|Descrizi...

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