File:Patent-US-1249501.pdf

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Original file(1,159 × 1,704 pixels, file size: 235 KB, MIME type: application/pdf, 3 pages)
Inventor

Felix Riesenberg

Assignee

Maud C. Riesenberg

Country

US

Application N°

106163

Application Date

1916-06-27

Patent N°

1249501

Brevettato

1917-12-11

Priorità

1916-06-27

Brand

Unbranded

Title

Self-filling Fountain-pen

Description

Sistema di caricamento

Riferimenti esterni

Informazioni

Brevetto per una variante di caricamento a levetta, detta split lever. Riferimenti a n° US-1251421. Stessa invenzione di nº GB-118118. Esiste un legame con la Swan in quanto altri brevetti di Felix Riesenberg sono assegnati a Herbert L. Carman, che è stato vicepresidente della Swan americana e con la Waterman a cui sono assegnati altri brevetti.

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current00:13, 23 August 2013Thumbnail for version as of 00:13, 23 August 20131,159 × 1,704, 3 pages (235 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Felix Riesenberg |Assignee=Maud C. Riesenberg |Country=US |ApplicationNum=64055 |ApplicationDate=1916-06-27 |PatentNum=1251421 |PatentDate=1917-12-11 |PriorityDate=1916-06-27 |Titolo=Self-filling Fountain-pen |Marca=Unbranded |De...
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