File:Patent-US-2491082.pdf

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Original file(1,159 × 1,704 pixels, file size: 257 KB, MIME type: application/pdf, 6 pages)
Inventor

Jozsef Laszlo Biro

Assignee

Eversharp Inc.

Country

US

Application N°

537255

Application Date

1944-05-25

Patent N°

2491082

Brevettato

1949-12-13

Priorità

1944-04-29

Brand

Eversharp

Title

Fountain pen

Description

Penna a sfera

Riferimenti esterni

Informazioni

Brevetto per una penna a sfera, ceduto alla Eversharp. Priorità da brevetto argentino. Riferimenti a n° US-2400679; nº US-1701263 e nº US-2258841 ed inoltre nº FR-628418.

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current00:33, 21 July 2012Thumbnail for version as of 00:33, 21 July 20121,159 × 1,704, 6 pages (257 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Jozsef Laszlo Biro |Assignee=Eversharp Inc. |Country=US |ApplicationNum=537255 |ApplicationDate=1944-05-25 |PatentNum=2491082 |PatentDate=1947-09-09 |PriorityDate=1944-04-29 |Titolo=Mechanical ink pencil |Marca=Eversharp |Descriz...
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