File:Patent-US-1904358.pdf

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Original file(1,159 × 1,704 pixels, file size: 927 KB, MIME type: application/pdf, 11 pages)
Inventor

Arthur O. Dahlberg

Assignee

Arthur O. Dahlberg

Country

US

Application N°

653346

Application Date

1933-01-24

Patent N°

1904358

Brevettato

1933-04-18

Priorità

1933-01-24

Brand

Parker

Title

Fountain pen

Description

Caricamento Vacumatic

Riferimenti esterni

Informazioni

Brevetto per il caricamento Vacumatic, brevetto originale di Dahlberg, in seguito modificato come nel brevetto nº US-1980508. Prosegue dalla richiesta n° 306009 del 1928-09-14. Stessa invenzione di nº GB-318982.

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current01:25, 4 July 2012Thumbnail for version as of 01:25, 4 July 20121,159 × 1,704, 11 pages (927 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Arthur O. Dahlberg |Assignee=Arthur O. Dahlberg |Country=US |ApplicationNum=653346 |ApplicationDate=1933-01-24 |PatentNum=1904358 |PatentDate=1933-04-18 |PriorityDate=1933-01-24 |Titolo=Fountain pen |Marca=Parker |Descrizione=Il ...
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