File:Patent-US-2400768.pdf

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Original file(1,159 × 1,704 pixels, file size: 404 KB, MIME type: application/pdf, 5 pages)
Inventor

David F. Mohns

Assignee

The Parker Pen Company

Country

US

Application N°

558381

Application Date

1944-10-12

Patent N°

2400768

Brevettato

1946-05-21

Priorità

1944-10-12

Brand

Parker

Title

Fountain pen

Description

Compensazione pressione Parker 51

Riferimenti esterni

Informazioni

Brevetto per un posizionamento ed una lunghezza dello sfiatatoio che consenta una compensazione di pressione in caso di volo aereo. Fa riferimento all'uso per la Parker 51. Riferimento a nº US-1904358, nº US-1980508 e nº US-2223541.

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current01:26, 17 July 2012Thumbnail for version as of 01:26, 17 July 20121,159 × 1,704, 5 pages (404 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=David F. Mohns |Assignee=The Parker Pen Company |Country=US |ApplicationNum=558381 |ApplicationDate=1944-10-12 |PatentNum=2400768 |PatentDate=1946-05-21 |PriorityDate=1944-10-12 |Titolo=Fountain pen |Marca=Parker |Modello=Parker ...
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