File:Patent-US-2951465.pdf

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Original file(1,159 × 1,704 pixels, file size: 212 KB, MIME type: application/pdf, 4 pages)
Inventor

Karl Weisser, Morris Levy

Assignee

David Kahn Inc

Country

US

Application N°

502986

Application Date

1955-04-21

Patent N°

2951465

Brevettato

1960-09-06

Priorità

1955-04-21

Brand

Wearever

Title

Retractable writing instrument

Description

Penna a sfera

Riferimenti esterni

Informazioni

Brevetto per una penna a sfera. Riferimenti a nº US-272948, nº US-1294247, nº US-2205929, nº US-2392840, nº US-2427068, nº US-2441280, nº US-2603186, nº US-2715388, nº US-2753844 e nº US-2778337 ed inoltre nº FR-976412, nº FR-934235, nº FR-1076270 e nº FR-1094542.

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current13:47, 11 August 2013Thumbnail for version as of 13:47, 11 August 20131,159 × 1,704, 4 pages (212 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Karl Weisser, Morris Levy |Assignee=David Kahn Inc |Country=US |ApplicationNum=502986 |ApplicationDate=1955-04-21 |PatentNum=2951465 |PatentDate=1960-09-06 |PriorityDate=1955-04-21 |Titolo=Retractable writing instrument |Marca=We...
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