File:Patent-US-614630.pdf

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Original file(1,159 × 1,704 pixels, file size: 141 KB, MIME type: application/pdf, 3 pages)
Inventor

William W. Stewart

Assignee

William W. Stewart

Country

US

Application N°

668299

Application Date

1898-01-28

Patent N°

614630

Brevettato

1898-11-22

Priorità

1898-01-28

Brand

Swan

Title

Fountain-pen

Description

Chiusura cappuccio

Riferimenti esterni

Informazioni

Brevetto per la chiusura del cappuccio, di tipo straight cap, usata in vari modelli della Swan. Secondo quanto riportato qui i brevetti di William W. Stewart sarebbero stati utilizzati dalla Swan per la produzione delle loro prime stilografiche negli USA.

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current20:31, 11 November 2012Thumbnail for version as of 20:31, 11 November 20121,159 × 1,704, 3 pages (141 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=William W. Stewart |Assignee=William W. Stewart |Country=US |ApplicationNum=668299 |ApplicationDate=1898-01-28 |PatentNum=614630 |PatentDate=1898-11-22 |PriorityDate=1898-01-28 |Titolo=Fountain-pen |Marca=Swan |Descrizione=Chiusu...
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