File:Patent-US-1824249.pdf

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Original file ‎(1,159 × 1,704 pixels, file size: 441 KB, MIME type: application/pdf, 8 pages)

Dettagli

Inventor

Assegnatario

Assignee

Joseph Wallace

Country

US

Application N°

471910

Application Date

1930-07-31

Patent N°

1824249

Brevettato

1931-09-22

Priorità

1930-07-31

Brand

Inkograph

Title

Fountain pen

Description

Penna a stilo

Riferimenti esterni

Informazioni

Brevetto per la costruzione di una penna a stilo.

File history

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Date/TimeThumbnailDimensionsUserComment
current18:57, 21 March 2021Thumbnail for version as of 18:57, 21 March 20211,159 × 1,704, 8 pages (441 KB)Piccardi (talk | contribs){{PatentInfo |Assignee=Joseph Wallace |Country=US |ApplicationNum=471910 |ApplicationDate=1930-07-31 |PatentNum=1824249 |PatentDate=1931-09-22 |PriorityDate=1930-07-31 |Titolo=Fountain pen |Marca=Inkograph |Descrizione=Penna a stilo }} ==Informazioni==...

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