File:Patent-US-1852094.pdf

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Original file(1,159 × 1,704 pixels, file size: 272 KB, MIME type: application/pdf, 4 pages)
Inventor

Herman K. Stempel

Assignee

W. A. Sheaffer Pen Company

Country

US

Application N°

489721

Application Date

1930-10-20

Patent N°

1852094

Brevettato

1932-04-05

Priorità

1930-10-20

Brand

Sheaffer

Title

Fountain pen pressure bar

Description

Caricamento a levetta

Riferimenti esterni

Informazioni

Brevetto per una variante di caricamento a levetta, in particolare per la barra di pressione.

File history

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Date/TimeThumbnailDimensionsUserComment
current16:51, 14 July 2012Thumbnail for version as of 16:51, 14 July 20121,159 × 1,704, 4 pages (272 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Herman K. Stempel |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=489721 |ApplicationDate=1930-10-20 |PatentNum=1852094 |PatentDate=1932-04-05 |PriorityDate=1930-10-20 |Titolo=Fountain pen pressure bar |Marca=She...
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