File:Patent-US-399306.pdf

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Original file(1,159 × 1,704 pixels, file size: 318 KB, MIME type: application/pdf, 6 pages)
Inventor

Paul E. Wirt

Assignee

Paul E. Wirt

Country

US

Application N°

267428

Application Date

1888-03-16

Patent N°

399306

Brevettato

1889-03-12

Priorità

1888-03-16

Brand

Wirt

Title

Fountain-pen

Description

Costruzione pennino

Riferimenti esterni

Informazioni

Brevetto per una serie di modalità di costruzione del pennino per dorarlo di flange o sistemi analoghi per aumentare la conducibilità capillare. Riferimenti a nº US-311554.

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Date/TimeThumbnailDimensionsUserComment
current01:34, 22 August 2012Thumbnail for version as of 01:34, 22 August 20121,159 × 1,704, 6 pages (318 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Paul E. Wirt |Assignee=Paul E. Wirt |Country=US |ApplicationNum=267428 |ApplicationDate=1888-03-16 |PatentNum=399306 |PatentDate=1889-03-12 |PriorityDate=1888-03-16 |Titolo=Fountain-pen |Marca=Wirt |Descrizione=Costruzione pennin...
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