File:Patent-US-2557054.pdf

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Original file(1,159 × 1,704 pixels, file size: 328 KB, MIME type: application/pdf, 5 pages)

Dettagli

Inventor

Richard J. Mansheim

Assignee

W. A. Sheaffer Pen Company

Country

US

Application N°

59585

Application Date

1948-11-12

Patent N°

2557054

Brevettato

1951-06-12

Priorità

1948-11-12

Brand

Sheaffer

Title

Writing instrument

Description

Penna a sfera

Riferimenti esterni

Informazioni

Brevetto per una penna a sfera.

File history

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Date/TimeThumbnailDimensionsUserComment
current01:37, 16 July 2012Thumbnail for version as of 01:37, 16 July 20121,159 × 1,704, 5 pages (328 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Richard J. Mansheim |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=59585 |ApplicationDate=1948-11-12 |PatentNum=2557054 |PatentDate=1951-06-12 |PriorityDate=1948-11-12 |Titolo=Writing instrument |Marca=Sheaffer ...

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