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File:Patent-US-288290.pdf

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Original file(1,159 × 1,704 pixels, file size: 197 KB, MIME type: application/pdf, 3 pages)
Inventor

Paul E. Wirt

Assignee

Paul E. Wirt

Country

US

Application N°

288290

Application Date

1883-03-12

Patent N°

288290

Brevettato

1883-11-13

Priorità

1883-03-12

Brand

Wirt

Title

Fountain-pen

Description

Penna a pennino sdoppiabile

Riferimenti esterni

Informazioni

Brevetto per una penna con pennino sdoppiabile.

File history

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Date/TimeThumbnailDimensionsUserComment
current22:55, 6 August 2012Thumbnail for version as of 22:55, 6 August 20121,159 × 1,704, 3 pages (197 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Paul E. Wirt |Assignee=Paul E. Wirt |Country=US |ApplicationNum=288290 |ApplicationDate=1883-03-12 |PatentNum=288290 |PatentDate=1883-11-13 |PriorityDate=1883-03-12 |Titolo=Fountain-pen |Marca=Wirt |Descrizione=Penna a pennino sd...
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