File:Patent-US-2481874.pdf

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Original file(1,159 × 1,704 pixels, file size: 345 KB, MIME type: application/pdf, 5 pages)
Inventor

Robert W. Randolph

Assignee

The Parker Pen Company

Country

US

Application N°

620442

Application Date

1945-10-05

Patent N°

2481874

Brevettato

1949-09-13

Priorità

1945-10-05

Brand

Parker

Title

Ball-point writing instrument

Description

Penna a sfera

Riferimenti esterni

Informazioni

Brevetto per una penna a sfera. Riferimenti a nº US-378897, nº US-1947282, nº US-2367892 e nº US-2398548, ed inoltre nº DE-210230 e nº GB-537039.

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current18:10, 6 August 2012Thumbnail for version as of 18:10, 6 August 20121,159 × 1,704, 5 pages (345 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Robert W. Randolph |Assignee=The Parker Pen Company |Country=US |ApplicationNum=620442 |ApplicationDate=1945-10-05 |PatentNum=2481874 |PatentDate=1949-09-13 |PriorityDate=1945-10-05 |Titolo=Ball-point writing instrument |Marca=Pa...
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