File:Patent-US-1508311.pdf

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Original file(1,159 × 1,704 pixels, file size: 178 KB, MIME type: application/pdf, 3 pages)
Inventor

Francis W. Vaughn

Assignee

Vaughn-Upton Company

Country

US

Application N°

580324

Application Date

1922-08-07

Patent N°

1508311

Brevettato

1924-09-09

Priorità

1922-08-07

Brand

Unbranded

Title

Fountain-pen

Description

Caricamento a siringa rovesciata

Riferimenti esterni

Informazioni

Brevetto per una variante del sistema di caricamento a siringa rovesciata. Riferimenti a nº US-926611.

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current17:43, 19 August 2012Thumbnail for version as of 17:43, 19 August 20121,159 × 1,704, 3 pages (178 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Francis W. Vaughn |Assignee=Vaughn-Upton Company |Country=US |ApplicationNum=580324 |ApplicationDate=1922-08-07 |PatentNum=1508311 |PatentDate=1924-09-09 |PriorityDate=1922-08-07 |Titolo=Fountain-pen |Marca=Unbranded |Descrizione...
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