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File:Patent-US-1999177.pdf

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Original file(1,159 × 1,704 pixels, file size: 425 KB, MIME type: application/pdf, 7 pages)
Inventor

Leon H. Ashmore

Assignee

The Esterbrook Steel Pen Manfacturing Co.

Country

US

Application N°

654471

Application Date

1933-01-31

Patent N°

1999177

Brevettato

1935-04-30

Priorità

1933-01-31

Brand

Esterbrook

Title

Fountain pen

Description

Pennino intercambiabile

Riferimenti esterni

Informazioni

Brevetto per un pennino intercambiabile.

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Date/TimeThumbnailDimensionsUserComment
current16:54, 30 June 2012Thumbnail for version as of 16:54, 30 June 20121,159 × 1,704, 7 pages (425 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Leon H. Ashmore |Assignee=The Esterbrook Steel Pen Manfacturing Co. |Country=US |ApplicationNum=654471 |ApplicationDate=1933-01-31 |PatentNum=1999177 |PatentDate=1935-04-30 |PriorityDate=1933-01-31 |Titolo=Fountain pen |Marca=Est...
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