File:Patent-US-2241865.pdf

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Original file(1,159 × 1,704 pixels, file size: 535 KB, MIME type: application/pdf, 7 pages)
Inventor

Lynn P. Martin, Herman K. Stempel

Assignee

W. A. Sheaffer Pen Company

Country

US

Application N°

311352

Application Date

1939-12-28

Patent N°

2241865

Brevettato

1941-05-13

Priorità

1939-12-28

Brand

Sheaffer

Title

Fountain pen

Description

Alimentatore

Riferimenti esterni

Informazioni

Brevetto di un alimentatore in grado di compensare variazioni di pressione.

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current00:19, 10 July 2012Thumbnail for version as of 00:19, 10 July 20121,159 × 1,704, 7 pages (535 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Lynn P. Martin, Herman K. Stempel |Assignee=W. A. Sheaffer Pen Company |Country=US |ApplicationNum=311352 |ApplicationDate=1939-12-28 |PatentNum=2241865 |PatentDate=1941-05-13 |PriorityDate=1939-12-28 |Titolo=Fountain pen |Marca=...
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