File:Patent-US-1299642.pdf

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Original file(1,159 × 1,704 pixels, file size: 216 KB, MIME type: application/pdf, 4 pages)
Inventor

William A. Welty, Hans P. Ravn

Assignee

William A. Welty, Hans P. Ravn

Country

US

Application N°

224116

Application Date

1918-03-23

Patent N°

1299642

Brevettato

1919-04-08

Priorità

1918-03-23

Brand

Welty

Title

Fountain-Pen

Description

Caricamento a levetta

Riferimenti esterni

Informazioni

Brevetto per una variante di caricamento a levetta.

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Date/TimeThumbnailDimensionsUserComment
current18:41, 17 November 2013Thumbnail for version as of 18:41, 17 November 20131,159 × 1,704, 4 pages (216 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=William A. Welty, Hans P. Rawn |Assignee=William A. Welty, Hans P. Rawn |Country=US |ApplicationNum=224116 |ApplicationDate=1918-03-23 |PatentNum=1299642 |PatentDate=1919-04-08 |PriorityDate=1918-03-23 |Titolo=Fountain-Pen |Marca...
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