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File:Patent-GB-190909893.pdf

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Original file(1,239 × 1,754 pixels, file size: 186 KB, MIME type: application/pdf, 3 pages)
Inventor

William A. Welty

Assignee

William A. Welty

Country

GB

Application N°

190909893

Application Date

1909-04-26

Patent N°

190909893

Brevettato

1909-07-01

Priorità

1908-04-27

Brand

Welty

Title

Improvements in Self-filling Fountain Pens

Description

Sistema di caricamento

Riferimenti esterni

Informazioni

Brevetto per un sistema di caricamento a compressione del sacchetto tramite un elemento sporgente dal fianco della penna (hump filler). Priorità dal brevetto americano. Stessa invenzione di nº US-916513.

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current01:23, 10 November 2013Thumbnail for version as of 01:23, 10 November 20131,239 × 1,754, 3 pages (186 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=William Welty |Assignee=William Welty |Country=GB |ApplicationNum=190909893 |ApplicationDate=1909-04-26 |PatentNum=190909893 |PatentDate=1909-07-01 |PriorityDate=1908-04-27 |Titolo=Improvements in Self-filling Fountain Pens |Marc...
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