File:Patent-US-1787406.pdf

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Original file(1,159 × 1,704 pixels, file size: 262 KB, MIME type: application/pdf, 5 pages)
Inventor

Donald D. Mungen, Robert Back

Assignee

The Wahl Company

Country

US

Application N°

128735

Application Date

1926-08-12

Patent N°

1787406

Brevettato

1930-12-30

Priorità

1926-08-12

Brand

Eversharp

Title

Fountain pen

Description

Pennino intercambiabile

Riferimenti esterni

Informazioni

Brevetto modalità di assemblaggio del gruppo pennino in grado di fornire un pennino intercambiabile. Usato per i pennini Personal Point.

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current00:52, 13 July 2012Thumbnail for version as of 00:52, 13 July 20121,159 × 1,704, 5 pages (262 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Donald D. Mungen, Robert Back |Assignee=The Wahl Company |Country=US |ApplicationNum=128736 |ApplicationDate=1926-08-26 |PatentNum=1787406 |PatentDate=1930-12-30 |PriorityDate=1926-08-26 |Titolo=Fountain pen |Marca=Eversharp |Des...
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