File:Patent-US-1613811.pdf

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Original file(1,159 × 1,704 pixels, file size: 129 KB, MIME type: application/pdf, 3 pages)
Inventor

Charles J. Funk

Assignee

The Wahl Company

Country

US

Application N°

710480

Application Date

1924-05-02

Patent N°

1613811

Brevettato

1927-01-11

Priorità

1924-05-02

Brand

Eversharp

Title

Pen

Description

Lavorazione pennino

Riferimenti esterni

Informazioni

Brevetto per la lavorazione del pennino, che prevede la sabbiatura (o tecnica affine) della parte inferiore in modo che resti leggermente ruvida aumentando la capacità di ritenzione dell'inchiostro.

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Date/TimeThumbnailDimensionsUserComment
current00:24, 25 July 2012Thumbnail for version as of 00:24, 25 July 20121,159 × 1,704, 3 pages (129 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Charles J. Funk |Assignee=The Wahl Company |Country=US |ApplicationNum=710480 |ApplicationDate=1924-05-02 |PatentNum=1613811 |PatentDate=1927-01-11 |PriorityDate=1924-05-02 |Titolo=Self-filling fountain pen |Marca=Eversharp |Desc...
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