File:Patent-US-507348.pdf

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Original file(1,159 × 1,704 pixels, file size: 96 KB, MIME type: application/pdf, 3 pages)
Inventor

David W. Beaumel

Assignee

David W. Beaumel

Country

US

Application N°

477584

Application Date

1893-07-14

Patent N°

507348

Brevettato

1893-10-24

Priorità

1893-07-14

Brand

Beaumel

Title

Stylographic pen

Description

Una penna a stilo

Riferimenti esterni

Informazioni

Brevetto per la costruzione di una penna a stilo.

File history

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Date/TimeThumbnailDimensionsUserComment
current11:18, 15 October 2012Thumbnail for version as of 11:18, 15 October 20121,159 × 1,704, 3 pages (96 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=David W. Beaumel |Assignee=David W. Beaumel |Country=US |ApplicationNum=477584 |ApplicationDate=1893-07-14 |PatentNum=839537 |PatentDate=1893-10-24 |PriorityDate=1893-07-14 |Titolo=Stylographic pen |Marca=Beaumel |Descrizione=Una...
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