File:Patent-US-2422351.pdf

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Original file(1,159 × 1,704 pixels, file size: 120 KB, MIME type: application/pdf, 3 pages)
Inventor

Benjamin W. Hanle

Assignee

Eagle Pencil Company

Country

US

Application N°

569484

Application Date

1944-12-23

Patent N°

2422351

Brevettato

1947-06-17

Priorità

1944-12-23

Brand

Eagle

Title

Fountain pen

Description

Pennino intercambiabile

Riferimenti esterni

Informazioni

Brevetto per un pennino intercambiabile, con una modalità di sostituzione semplice. Riferimenti a nº US-1735224, nº US-2016106 e nº US-2089449.

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current19:08, 26 June 2012Thumbnail for version as of 19:08, 26 June 20121,159 × 1,704, 3 pages (120 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Benjamin W. Hanle |Assignee=Eagle Pencil Company |Country=US |ApplicationNum=569484 |ApplicationDate=1944-12-23 |PatentNum=2422351 |PatentDate=1947-06-17 |PriorityDate=1944-12-23 |Titolo=Fountain pen |Marca=Eagle |Descrizione=Pen...
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