File:Patent-US-2770221.pdf

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Original file(1,159 × 1,704 pixels, file size: 248 KB, MIME type: application/pdf, 4 pages)
Inventor

William Tonkowich

Assignee

L. E. Waterman Company

Country

US

Application N°

218145

Application Date

1951-03-29

Patent N°

2770221

Brevettato

1956-11-13

Priorità

1951-03-29

Brand

Waterman

Title

Fountain pen

Description

Alimentatore

Riferimenti esterni

Informazioni

Brevetto per un alimentatore. Riferimenti a nº US-1574929, nº US-1750410, nº US-2101304, nº US-2292381 e nº US-2380763, ed inoltre nº DE-406609 e nº CH-215964.

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current01:25, 30 July 2012Thumbnail for version as of 01:25, 30 July 20121,159 × 1,704, 4 pages (248 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=William Tonkowich |Assignee=L. E. Waterman Company |Country=US |ApplicationNum=218145 |ApplicationDate=1951-03-29 |PatentNum=2770221 |PatentDate=1956-11-13 |PriorityDate=1951-03-29 |Titolo=Fountain pen |Marca=Waterman |Descrizio...
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