File:Patent-US-2690739.pdf

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Original file(1,159 × 1,704 pixels, file size: 194 KB, MIME type: application/pdf, 4 pages)
Inventor

Norman E. Weigel

Assignee

Norman E. Weigel

Country

US

Application N°

332256

Application Date

1953-01-21

Patent N°

2690739

Brevettato

1954-10-05

Priorità

1953-01-21

Brand

Wearever

Title

Ink reservoir and flow control

Description

Sovra-serbatoio pennino

Riferimenti esterni

Informazioni

Brevetto per un pennino con sistema di serbatoio/alimentatore supplementare montato sopra le punte. Riferimenti a nº US-361468, nº US-1199401, nº US-1318000, nº US-1629483, nº US-1664501 ed inoltre nº FR-365262 e nº FR-931114.

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current12:33, 28 October 2012Thumbnail for version as of 12:33, 28 October 20121,159 × 1,704, 4 pages (194 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Norman E. Weigel |Assignee=Norman E. Weigel |Country=US |ApplicationNum=332256 |ApplicationDate=1953-01-21 |PatentNum=2690739 |PatentDate=1954-10-05 |PriorityDate=1953-01-21 |Titolo=Ink reservoir and flow control |Marca=Wearever ...
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