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File:Patent-US-633538.pdf

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Original file(1,159 × 1,704 pixels, file size: 423 KB, MIME type: application/pdf, 7 pages)
Inventor

Arthur A. Waterman, Frederick W. Stevens

Assignee

Rhodes G. Lockwood

Country

US

Application N°

634814

Application Date

1897-05-03

Patent N°

633538

Brevettato

1899-09-19

Priorità

1897-05-03

Brand

A. A. Waterman,Sterling Fountain Pen

Title

Fountain-pen

Description

Sistema di regolazione

Riferimenti esterni

Informazioni

Brevetto per un sistema di regolazione dell'afflusso di inchiostro, non è chiaro se sia mai stato usato. Riferimenti a nº US-619701.

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current18:00, 19 August 2012Thumbnail for version as of 18:00, 19 August 20121,159 × 1,704, 7 pages (423 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Arthur A. Waterman, Frederick W. Stevens |Assignee=Rhodes G. Lockwood |Country=US |ApplicationNum=634814 |ApplicationDate=1897-05-03 |PatentNum=633538 |PatentDate=1899-09-19 |PriorityDate=1897-05-03 |Titolo=Fountain-pen |Marca=A....
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