File:Patent-US-1407552.pdf

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Original file(1,159 × 1,704 pixels, file size: 438 KB, MIME type: application/pdf, 6 pages)
Inventor

Rudolph Wm. Lotz

Assignee

Adeline M. Kraker

Country

US

Application N°

357870

Application Date

1920-02-11

Patent N°

1407552

Brevettato

1922-02-21

Priorità

1920-02-11

Brand

Kraker

Title

Fountain pen

Description

Caricamento a levetta

Riferimenti esterni

Informazioni

Brevetto per una variante di caricamento a levetta. Riferimenti a nº US-1263260 e nº US-1263261. Assegnato alla Kraker in quanto Rudolph Wm. Lotz risulta essere l'avvocato dei brevetti di George M. Kraker e presumubilmente l'invenzione può essere fatta risalire a questi (vedi [1]]).

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current01:36, 16 November 2013Thumbnail for version as of 01:36, 16 November 20131,159 × 1,704, 6 pages (438 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Harvey Green Craig |Assignee=Adeline M. Kraker |Country=US |ApplicationNum=357870 |ApplicationDate=1920-02-11 |PatentNum=1407552 |PatentDate=1922-02-21 |PriorityDate=1920-02-11 |Titolo=Fountain pen |Marca=Kraker |Descrizione=[[Ca...
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