File:Patent-US-1657033.pdf

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Original file(1,159 × 1,704 pixels, file size: 110 KB, MIME type: application/pdf, 2 pages)
Inventor

Robert T. Pollock

Assignee

Pollock Pen Company

Country

US

Application N°

530073

Application Date

1922-01-18

Patent N°

1657033

Brevettato

1928-01-24

Priorità

1922-01-18

Brand

John Hancock

Title

Fountain pen

Description

Caricamento a cartuccia

Riferimenti esterni

Informazioni

Brevetto per un caricamento a cartuccia con cartuccia in rame.

File history

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Date/TimeThumbnailDimensionsUserComment
current01:03, 29 June 2012Thumbnail for version as of 01:03, 29 June 20121,159 × 1,704, 2 pages (110 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Robert T. Pollock |Assignee=Pollock Pen Company |Country=US |ApplicationNum=490150 |ApplicationDate=1922-01-18 |PatentNum=1657033 |PatentDate=1928-01-24 |PriorityDate=1922-01-18 |Titolo=Fountain pen |Marca=John Hancock |Descrizi...
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