File:Patent-US-1347800.pdf

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Original file(1,159 × 1,704 pixels, file size: 175 KB, MIME type: application/pdf, 4 pages)
Inventor

Paul E. Wirt

Assignee

Paul E. Wirt

Country

US

Application N°

167964

Application Date

1917-05-11

Patent N°

1347800

Brevettato

1920-07-27

Priorità

1917-05-11

Brand

Wirt

Title

Fountain-pen

Description

Caricamento a levetta

Riferimenti esterni

Informazioni

Brevetto per la variante di caricamento a levetta che prevede l'ancoraggio della levetta con un anellino passante mantenuto su una scanalatura interna della penna.

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Date/TimeThumbnailDimensionsUserComment
current15:54, 20 July 2012Thumbnail for version as of 15:54, 20 July 20121,159 × 1,704, 4 pages (175 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Paul E. Wirt |Assignee=Paul E. Wirt |Country=US |ApplicationNum=167964 |ApplicationDate=1917-05-11 |PatentNum=1347800 |PatentDate=1920-07-27 |PriorityDate=1917-05-11 |Titolo=Fountain-pen |Marca=Wirt |Descrizione=[[Caricamento a l...
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