File:Patent-US-1490686.pdf

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Original file(1,159 × 1,704 pixels, file size: 223 KB, MIME type: application/pdf, 4 pages)
Inventor

John C. Wahl

Assignee

The Wahl Company

Country

US

Application N°

510812

Application Date

1921-10-27

Patent N°

1490686

Brevettato

1924-04-15

Priorità

1921-10-27

Brand

Eversharp

Title

Fountain pen

Description

Caricamento a levetta

Riferimenti esterni

Informazioni

Brevetto per una variante di caricamento a levetta. Illustra in particolare il meccanismo della levetta delle Wahl Engine Turned. Riferimenti a n° US-1562267.

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Date/TimeThumbnailDimensionsUserComment
current02:56, 24 July 2012Thumbnail for version as of 02:56, 24 July 20121,159 × 1,704, 4 pages (223 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=John C. Wahl |Assignee=The Wahl Company |Country=US |ApplicationNum=510812 |ApplicationDate=1921-10-27 |PatentNum=1490686 |PatentDate=1924-04-15 |PriorityDate=1921-10-27 |Titolo=Fountain pen |Marca=Eversharp |Descrizione=Levetta ...
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