File:Patent-US-174965.pdf

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Original file(1,159 × 1,704 pixels, file size: 144 KB, MIME type: application/pdf, 3 pages)

Dettagli

Inventor

Duncan Mackinnon

Assignee

Duncan Mackinnon

Country

US

Application N°

174965

Application Date

1875-06-18

Patent N°

174965

Brevettato

1876-03-21

Priorità

1875-06-18

Brand

MacKinnon

Title

Improvements in fountain pen

Description

Penna a stilo

Riferimenti esterni

Informazioni

Brevetto per una penna a stilo. Stampigliato sul corpo delle omonime penne MacKinnon (vedi File:1881-MacKinnon.jpg).

File history

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Date/TimeThumbnailDimensionsUserComment
current15:04, 26 December 2018Thumbnail for version as of 15:04, 26 December 20181,159 × 1,704, 3 pages (144 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Duncan Mackinnon |Assignee=Duncan Mackinnon |Country=US |ApplicationNum=174965 |ApplicationDate=1875-06-18 |PatentNum=174965 |PatentDate=1876-03-21 |PriorityDate=1875-06-18 |Titolo=Improvements in fountain pen |Marca=MacKinnon |D...

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