File:Patent-US-2428960.pdf

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Original file(1,159 × 1,704 pixels, file size: 330 KB, MIME type: application/pdf, 6 pages)
Inventor

George D. Cloutier

Assignee

Eversharp Inc.

Country

US

Application N°

606079

Application Date

1945-07-20

Patent N°

2428960

Brevettato

1947-10-14

Priorità

1945-07-20

Brand

Eversharp

Title

Writing instrument

Description

Penna a sfera

Riferimenti esterni

Informazioni

Brevetto per penna a sfera, abbastanza simile alla Capillary Action. Riferimento a nº US-2397229; nº US-1171652, nº US-1485181, nº US-1527971, nº US-2258841, nº US-722508, nº US-2107424 e nº US-1493680 ed inoltre nº DE-701989, nº DE-491059, nº DE-704147.

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current18:15, 4 August 2012Thumbnail for version as of 18:15, 4 August 20121,159 × 1,704, 6 pages (330 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=George D. Cloutier |Assignee=Eversharp Inc. |Country=US |ApplicationNum=606079 |ApplicationDate=1945-07-20 |PatentNum=2428960 |PatentDate=1947-10-14 |PriorityDate=1945-07-20 |Titolo=Writing instrument |Marca=Eversharp |Descrizion...
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