File:Patent-US-799297.pdf

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Original file(1,159 × 1,704 pixels, file size: 107 KB, MIME type: application/pdf, 2 pages)
Inventor

Joseph F. Betzler

Assignee

Joseph F. Betzler

Country

US

Application N°

253619

Application Date

1905-04-03

Patent N°

799297

Brevettato

1905-09-12

Priorità

1905-04-03

Brand

Laughlin

Title

Fountain-pen

Description

Sistema di caricamento

Riferimenti esterni

Informazioni

Brevetto per un sistema di caricamento a fisarmonica, senza lo sfiatatoio presente su quello classico creato dalla Stylomine. Non è sicuro che questa versione sia stata usata dalla Laughlin.

File history

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Date/TimeThumbnailDimensionsUserComment
current01:23, 30 June 2012Thumbnail for version as of 01:23, 30 June 20121,159 × 1,704, 2 pages (107 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Joseph F. Betzler |Assignee=Joseph F. Betzler |Country=US |ApplicationNum=253619 |ApplicationDate=1905-04-03 |PatentNum=799297 |PatentDate=1905-09-12 |PriorityDate=1905-04-03 |Titolo=Fountain-pen |Marca=Laughlin |Descrizione=Sist...
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