File:Patent-US-480751.pdf

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Original file(1,159 × 1,704 pixels, file size: 119 KB, MIME type: application/pdf, 3 pages)
Inventor

William W. Stewart

Assignee

William W. Stewart

Country

US

Application N°

337406

Application Date

1890-01-20

Patent N°

480751

Brevettato

1892-08-16

Priorità

1890-01-20

Brand

Swan

Title

Fountain-pen

Description

Alimentatore overfeed

Riferimenti esterni

Informazioni

Brevetto per un alimentatore di tipo overfeed. Secondo quanto riportato qui i brevetti di William W. Stewart sarebbero stati utilizzati dalla Swan per la produzione delle loro prime stilografiche negli USA.

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current01:57, 13 November 2012Thumbnail for version as of 01:57, 13 November 20121,159 × 1,704, 3 pages (119 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=William W. Stewart |Assignee=William W. Stewart |Country=US |ApplicationNum=337406 |ApplicationDate=1890-01-20 |PatentNum=480751 |PatentDate=1892-08-16 |PriorityDate=1890-01-20 |Titolo=Fountain-pen |Marca=Swan |Descrizione=Alimen...
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