File:Patent-US-1821477.pdf

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Original file(1,159 × 1,704 pixels, file size: 177 KB, MIME type: application/pdf, 4 pages)
Inventor

Kenneth S. Parker

Assignee

The Parker Pen Company

Country

US

Application N°

338697

Application Date

1929-02-09

Patent N°

1821477

Brevettato

1931-09-01

Priorità

1929-02-09

Brand

Parker

Title

Fountain pen

Description

Sistema di caricamento

Riferimenti esterni

Informazioni

Brevetto per un caricamento a sfiatatoio tipo Vacumatic azionato a pulsante di fondo, mai prodotto.

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current14:57, 5 August 2012Thumbnail for version as of 14:57, 5 August 20121,159 × 1,704, 4 pages (177 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Kenneth S. Parker |Assignee=The Parker Pen Company |Country=US |ApplicationNum=338697 |ApplicationDate=1929-02-09 |PatentNum=1821477 |PatentDate=1931-09-01 |PriorityDate=1929-02-09 |Titolo=Fountain pen |Marca=Parker |Descrizione=...
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