File:Patent-US-1892145.pdf

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Original file(1,159 × 1,704 pixels, file size: 826 KB, MIME type: application/pdf, 14 pages)
Inventor

Walter E. Guyot

Assignee

The Parker Pen Company

Country

US

Application N°

464692

Application Date

1930-06-28

Patent N°

1892145

Brevettato

1932-12-27

Priorità

1930-06-28

Brand

Parker

Title

Mechanical pencil

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per una matita meccanica. Riferimenti a nº US-1632371.

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current15:08, 5 August 2012Thumbnail for version as of 15:08, 5 August 20121,159 × 1,704, 14 pages (826 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Walter E. Guyot |Assignee=The Parker Pen Company |Country=US |ApplicationNum=464692 |ApplicationDate=1930-06-28 |PatentNum=1892145 |PatentDate=1932-12-27 |PriorityDate=1930-06-28 |Titolo=Mechanical pencil |Marca=Parker |Descrizio...
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