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File:Patent-US-1918239.pdf

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Original file(1,159 × 1,704 pixels, file size: 263 KB, MIME type: application/pdf, 5 pages)
Inventor

Leon H. Ashmore

Assignee

The Esterbrook Steel Pen Manfacturing Co.

Country

US

Application N°

228943

Application Date

1931-12-24

Patent N°

1918239

Brevettato

1933-07-18

Priorità

1931-12-24

Brand

Esterbrook

Title

Fountain pen

Description

Pennino intercambiabile

Riferimenti esterni

Informazioni

Brevetto per un pennino intercambiabile.

File history

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Date/TimeThumbnailDimensionsUserComment
current16:39, 30 June 2012Thumbnail for version as of 16:39, 30 June 20121,159 × 1,704, 5 pages (263 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Leon H. Ashmore |Assignee=The Esterbrook Steel Pen Manfacturing Co. |Country=US |ApplicationNum=228943 |ApplicationDate=1931-12-24 |PatentNum=1918239 |PatentDate=1933-07-18 |PriorityDate=1931-12-24 |Titolo=Fountain pen |Marca=Est...
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